20128450680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4300951}}^1$

素因数の和:4300981

約数の個数: 96

約数和(自身を含む): 70449593760

約数和(自身を除く): 50321143080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 4300951, 8601902, 12902853, 17203804, 21504755, 25805706, 34407608, 38708559, 43009510, 51611412, 55912363, 64514265, 77417118, 86019020, 103222824, 111824726, 129028530, 154834236, 167737089, 172038040, 193542795, 223649452, 258057060, 279561815, 309668472, 335474178, 387085590, 447298904, 503211267, 516114120, 559123630, 670948356, 774171180, 838685445, 1006422534, 1118247260, 1341896712, 1548342360, 1677370890, 2012845068, 2236494520, 2516056335, 3354741780, 4025690136, 5032112670, 6709483560, 10064225340, 20128450680]

約数ペア:

[(1, 20128450680), (2, 10064225340), (3, 6709483560), (4, 5032112670), (5, 4025690136), (6, 3354741780), (8, 2516056335), (9, 2236494520), (10, 2012845068), (12, 1677370890), (13, 1548342360), (15, 1341896712), (18, 1118247260), (20, 1006422534), (24, 838685445), (26, 774171180), (30, 670948356), (36, 559123630), (39, 516114120), (40, 503211267), (45, 447298904), (52, 387085590), (60, 335474178), (65, 309668472), (72, 279561815), (78, 258057060), (90, 223649452), (104, 193542795), (117, 172038040), (120, 167737089), (130, 154834236), (156, 129028530), (180, 111824726), (195, 103222824), (234, 86019020), (260, 77417118), (312, 64514265), (360, 55912363), (390, 51611412), (468, 43009510), (520, 38708559), (585, 34407608), (780, 25805706), (936, 21504755), (1170, 17203804), (1560, 12902853), (2340, 8601902), (4680, 4300951)]