20291700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:95

約数の個数: 216

約数和(自身を含む): 71113504

約数和(自身を除く): 50821804

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 25, 26, 30, 33, 39, 43, 44, 50, 52, 55, 60, 65, 66, 75, 78, 86, 100, 110, 121, 129, 130, 132, 143, 150, 156, 165, 172, 195, 215, 220, 242, 258, 260, 275, 286, 300, 325, 330, 363, 390, 429, 430, 473, 484, 516, 550, 559, 572, 605, 645, 650, 660, 715, 726, 780, 825, 858, 860, 946, 975, 1075, 1100, 1118, 1210, 1290, 1300, 1419, 1430, 1452, 1573, 1650, 1677, 1716, 1815, 1892, 1950, 2145, 2150, 2236, 2365, 2420, 2580, 2795, 2838, 2860, 3025, 3146, 3225, 3300, 3354, 3575, 3630, 3900, 4290, 4300, 4719, 4730, 5203, 5590, 5676, 6050, 6149, 6292, 6450, 6708, 7095, 7150, 7260, 7865, 8385, 8580, 9075, 9438, 9460, 10406, 10725, 11180, 11825, 12100, 12298, 12900, 13975, 14190, 14300, 15609, 15730, 16770, 18150, 18447, 18876, 20812, 21450, 23595, 23650, 24596, 26015, 27950, 28380, 30745, 31218, 31460, 33540, 35475, 36300, 36894, 39325, 41925, 42900, 47190, 47300, 52030, 55900, 61490, 62436, 67639, 70950, 73788, 78045, 78650, 83850, 92235, 94380, 104060, 117975, 122980, 130075, 135278, 141900, 153725, 156090, 157300, 167700, 184470, 202917, 235950, 260150, 270556, 307450, 312180, 338195, 368940, 390225, 405834, 461175, 471900, 520300, 614900, 676390, 780450, 811668, 922350, 1014585, 1352780, 1560900, 1690975, 1844700, 2029170, 3381950, 4058340, 5072925, 6763900, 10145850, 20291700]

約数ペア:

[(1, 20291700), (2, 10145850), (3, 6763900), (4, 5072925), (5, 4058340), (6, 3381950), (10, 2029170), (11, 1844700), (12, 1690975), (13, 1560900), (15, 1352780), (20, 1014585), (22, 922350), (25, 811668), (26, 780450), (30, 676390), (33, 614900), (39, 520300), (43, 471900), (44, 461175), (50, 405834), (52, 390225), (55, 368940), (60, 338195), (65, 312180), (66, 307450), (75, 270556), (78, 260150), (86, 235950), (100, 202917), (110, 184470), (121, 167700), (129, 157300), (130, 156090), (132, 153725), (143, 141900), (150, 135278), (156, 130075), (165, 122980), (172, 117975), (195, 104060), (215, 94380), (220, 92235), (242, 83850), (258, 78650), (260, 78045), (275, 73788), (286, 70950), (300, 67639), (325, 62436), (330, 61490), (363, 55900), (390, 52030), (429, 47300), (430, 47190), (473, 42900), (484, 41925), (516, 39325), (550, 36894), (559, 36300), (572, 35475), (605, 33540), (645, 31460), (650, 31218), (660, 30745), (715, 28380), (726, 27950), (780, 26015), (825, 24596), (858, 23650), (860, 23595), (946, 21450), (975, 20812), (1075, 18876), (1100, 18447), (1118, 18150), (1210, 16770), (1290, 15730), (1300, 15609), (1419, 14300), (1430, 14190), (1452, 13975), (1573, 12900), (1650, 12298), (1677, 12100), (1716, 11825), (1815, 11180), (1892, 10725), (1950, 10406), (2145, 9460), (2150, 9438), (2236, 9075), (2365, 8580), (2420, 8385), (2580, 7865), (2795, 7260), (2838, 7150), (2860, 7095), (3025, 6708), (3146, 6450), (3225, 6292), (3300, 6149), (3354, 6050), (3575, 5676), (3630, 5590), (3900, 5203), (4290, 4730), (4300, 4719)]