20871088464

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{250037}}^1$

素因数の和:250132

約数の個数: 80

約数和(自身を含む): 56552594688

約数和(自身を除く): 35681506224

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 47, 48, 74, 94, 111, 141, 148, 188, 222, 282, 296, 376, 444, 564, 592, 752, 888, 1128, 1739, 1776, 2256, 3478, 5217, 6956, 10434, 13912, 20868, 27824, 41736, 83472, 250037, 500074, 750111, 1000148, 1500222, 2000296, 3000444, 4000592, 6000888, 9251369, 11751739, 12001776, 18502738, 23503478, 27754107, 35255217, 37005476, 47006956, 55508214, 70510434, 74010952, 94013912, 111016428, 141020868, 148021904, 188027824, 222032856, 282041736, 434814343, 444065712, 564083472, 869628686, 1304443029, 1739257372, 2608886058, 3478514744, 5217772116, 6957029488, 10435544232, 20871088464]

約数ペア:

[(1, 20871088464), (2, 10435544232), (3, 6957029488), (4, 5217772116), (6, 3478514744), (8, 2608886058), (12, 1739257372), (16, 1304443029), (24, 869628686), (37, 564083472), (47, 444065712), (48, 434814343), (74, 282041736), (94, 222032856), (111, 188027824), (141, 148021904), (148, 141020868), (188, 111016428), (222, 94013912), (282, 74010952), (296, 70510434), (376, 55508214), (444, 47006956), (564, 37005476), (592, 35255217), (752, 27754107), (888, 23503478), (1128, 18502738), (1739, 12001776), (1776, 11751739), (2256, 9251369), (3478, 6000888), (5217, 4000592), (6956, 3000444), (10434, 2000296), (13912, 1500222), (20868, 1000148), (27824, 750111), (41736, 500074), (83472, 250037)]