20367859820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{739}}^1\times {\mathrm{1627}}^1$

素因数の和:2404

約数の個数: 144

約数和(自身を含む): 53836527360

約数和(自身を除く): 33468667540

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 739, 770, 847, 1210, 1478, 1540, 1627, 1694, 2420, 2956, 3254, 3388, 3695, 4235, 5173, 6508, 7390, 8129, 8135, 8470, 10346, 11389, 14780, 16258, 16270, 16940, 17897, 20692, 22778, 25865, 32516, 32540, 35794, 40645, 45556, 51730, 56903, 56945, 71588, 81290, 89419, 89485, 103460, 113806, 113890, 125279, 162580, 178838, 178970, 196867, 227612, 227780, 250558, 284515, 357676, 357940, 393734, 447095, 501116, 569030, 625933, 626395, 787468, 894190, 984335, 1138060, 1202353, 1251866, 1252790, 1378069, 1788380, 1968670, 2404706, 2503732, 2505580, 2756138, 3129665, 3937340, 4809412, 5512276, 6011765, 6259330, 6890345, 8416471, 12023530, 12518660, 13225883, 13780690, 16832942, 24047060, 26451766, 27561380, 33665884, 42082355, 52903532, 66129415, 84164710, 92581181, 132258830, 145484713, 168329420, 185162362, 264517660, 290969426, 370324724, 462905905, 581938852, 727423565, 925811810, 1018392991, 1454847130, 1851623620, 2036785982, 2909694260, 4073571964, 5091964955, 10183929910, 20367859820]

約数ペア:

[(1, 20367859820), (2, 10183929910), (4, 5091964955), (5, 4073571964), (7, 2909694260), (10, 2036785982), (11, 1851623620), (14, 1454847130), (20, 1018392991), (22, 925811810), (28, 727423565), (35, 581938852), (44, 462905905), (55, 370324724), (70, 290969426), (77, 264517660), (110, 185162362), (121, 168329420), (140, 145484713), (154, 132258830), (220, 92581181), (242, 84164710), (308, 66129415), (385, 52903532), (484, 42082355), (605, 33665884), (739, 27561380), (770, 26451766), (847, 24047060), (1210, 16832942), (1478, 13780690), (1540, 13225883), (1627, 12518660), (1694, 12023530), (2420, 8416471), (2956, 6890345), (3254, 6259330), (3388, 6011765), (3695, 5512276), (4235, 4809412), (5173, 3937340), (6508, 3129665), (7390, 2756138), (8129, 2505580), (8135, 2503732), (8470, 2404706), (10346, 1968670), (11389, 1788380), (14780, 1378069), (16258, 1252790), (16270, 1251866), (16940, 1202353), (17897, 1138060), (20692, 984335), (22778, 894190), (25865, 787468), (32516, 626395), (32540, 625933), (35794, 569030), (40645, 501116), (45556, 447095), (51730, 393734), (56903, 357940), (56945, 357676), (71588, 284515), (81290, 250558), (89419, 227780), (89485, 227612), (103460, 196867), (113806, 178970), (113890, 178838), (125279, 162580)]