20602195900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{397}}^1$

素因数の和:645

約数の個数: 288

約数和(自身を含む): 55716433920

約数和(自身を除く): 35114238020

約数列:

[1, 2, 4, 5, 10, 11, 13, 19, 20, 22, 25, 26, 38, 44, 50, 52, 55, 65, 76, 95, 100, 110, 130, 143, 190, 191, 209, 220, 247, 260, 275, 286, 325, 380, 382, 397, 418, 475, 494, 550, 572, 650, 715, 764, 794, 836, 950, 955, 988, 1045, 1100, 1235, 1300, 1430, 1588, 1900, 1910, 1985, 2090, 2101, 2470, 2483, 2717, 2860, 3575, 3629, 3820, 3970, 4180, 4202, 4367, 4775, 4940, 4966, 5161, 5225, 5434, 6175, 7150, 7258, 7543, 7940, 8404, 8734, 9550, 9925, 9932, 10322, 10450, 10505, 10868, 12350, 12415, 13585, 14300, 14516, 15086, 17468, 18145, 19100, 19850, 20644, 20900, 21010, 21835, 24700, 24830, 25805, 27170, 27313, 30172, 36290, 37715, 39700, 39919, 42020, 43670, 47177, 49660, 51610, 52525, 54340, 54626, 56771, 62075, 67925, 72580, 75430, 75827, 79838, 82973, 87340, 90725, 94354, 98059, 103220, 105050, 109175, 109252, 113542, 124150, 129025, 135850, 136565, 150860, 151654, 159676, 165946, 181450, 188575, 188708, 196118, 199595, 210100, 218350, 227084, 235885, 248300, 258050, 271700, 273130, 283855, 303308, 331892, 362900, 377150, 379135, 392236, 399190, 414865, 436700, 471770, 490295, 516100, 518947, 546260, 567710, 682825, 754300, 758270, 798380, 829730, 834097, 943540, 980590, 985751, 997975, 1037894, 1078649, 1135420, 1179425, 1365650, 1419275, 1440713, 1516540, 1659460, 1668194, 1895675, 1961180, 1971502, 1995950, 2074325, 2075788, 2157298, 2358850, 2451475, 2594735, 2731300, 2838550, 2881426, 3336388, 3791350, 3943004, 3991900, 4148650, 4170485, 4314596, 4717700, 4902950, 4928755, 5189470, 5393245, 5677100, 5762852, 7203565, 7582700, 8297300, 8340970, 9805900, 9857510, 10378940, 10786490, 10843261, 12973675, 14407130, 15847843, 16681940, 18729269, 19715020, 20852425, 21572980, 21686522, 24643775, 25947350, 26966225, 28814260, 31695686, 36017825, 37458538, 41704850, 43373044, 49287550, 51894700, 53932450, 54216305, 63391372, 72035650, 74917076, 79239215, 83409700, 93646345, 98575100, 107864900, 108432610, 144071300, 158478430, 187292690, 206021959, 216865220, 271081525, 316956860, 374585380, 396196075, 412043918, 468231725, 542163050, 792392150, 824087836, 936463450, 1030109795, 1084326100, 1584784300, 1872926900, 2060219590, 4120439180, 5150548975, 10301097950, 20602195900]

約数ペア:

[(1, 20602195900), (2, 10301097950), (4, 5150548975), (5, 4120439180), (10, 2060219590), (11, 1872926900), (13, 1584784300), (19, 1084326100), (20, 1030109795), (22, 936463450), (25, 824087836), (26, 792392150), (38, 542163050), (44, 468231725), (50, 412043918), (52, 396196075), (55, 374585380), (65, 316956860), (76, 271081525), (95, 216865220), (100, 206021959), (110, 187292690), (130, 158478430), (143, 144071300), (190, 108432610), (191, 107864900), (209, 98575100), (220, 93646345), (247, 83409700), (260, 79239215), (275, 74917076), (286, 72035650), (325, 63391372), (380, 54216305), (382, 53932450), (397, 51894700), (418, 49287550), (475, 43373044), (494, 41704850), (550, 37458538), (572, 36017825), (650, 31695686), (715, 28814260), (764, 26966225), (794, 25947350), (836, 24643775), (950, 21686522), (955, 21572980), (988, 20852425), (1045, 19715020), (1100, 18729269), (1235, 16681940), (1300, 15847843), (1430, 14407130), (1588, 12973675), (1900, 10843261), (1910, 10786490), (1985, 10378940), (2090, 9857510), (2101, 9805900), (2470, 8340970), (2483, 8297300), (2717, 7582700), (2860, 7203565), (3575, 5762852), (3629, 5677100), (3820, 5393245), (3970, 5189470), (4180, 4928755), (4202, 4902950), (4367, 4717700), (4775, 4314596), (4940, 4170485), (4966, 4148650), (5161, 3991900), (5225, 3943004), (5434, 3791350), (6175, 3336388), (7150, 2881426), (7258, 2838550), (7543, 2731300), (7940, 2594735), (8404, 2451475), (8734, 2358850), (9550, 2157298), (9925, 2075788), (9932, 2074325), (10322, 1995950), (10450, 1971502), (10505, 1961180), (10868, 1895675), (12350, 1668194), (12415, 1659460), (13585, 1516540), (14300, 1440713), (14516, 1419275), (15086, 1365650), (17468, 1179425), (18145, 1135420), (19100, 1078649), (19850, 1037894), (20644, 997975), (20900, 985751), (21010, 980590), (21835, 943540), (24700, 834097), (24830, 829730), (25805, 798380), (27170, 758270), (27313, 754300), (30172, 682825), (36290, 567710), (37715, 546260), (39700, 518947), (39919, 516100), (42020, 490295), (43670, 471770), (47177, 436700), (49660, 414865), (51610, 399190), (52525, 392236), (54340, 379135), (54626, 377150), (56771, 362900), (62075, 331892), (67925, 303308), (72580, 283855), (75430, 273130), (75827, 271700), (79838, 258050), (82973, 248300), (87340, 235885), (90725, 227084), (94354, 218350), (98059, 210100), (103220, 199595), (105050, 196118), (109175, 188708), (109252, 188575), (113542, 181450), (124150, 165946), (129025, 159676), (135850, 151654), (136565, 150860)]