20454840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8117}}^1$

素因数の和:8141

約数の個数: 96

約数和(自身を含む): 75984480

約数和(自身を除く): 55529640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8117, 16234, 24351, 32468, 40585, 48702, 56819, 64936, 73053, 81170, 97404, 113638, 121755, 146106, 162340, 170457, 194808, 227276, 243510, 284095, 292212, 324680, 340914, 365265, 454552, 487020, 511371, 568190, 584424, 681828, 730530, 852285, 974040, 1022742, 1136380, 1363656, 1461060, 1704570, 2045484, 2272760, 2556855, 2922120, 3409140, 4090968, 5113710, 6818280, 10227420, 20454840]

約数ペア:

[(1, 20454840), (2, 10227420), (3, 6818280), (4, 5113710), (5, 4090968), (6, 3409140), (7, 2922120), (8, 2556855), (9, 2272760), (10, 2045484), (12, 1704570), (14, 1461060), (15, 1363656), (18, 1136380), (20, 1022742), (21, 974040), (24, 852285), (28, 730530), (30, 681828), (35, 584424), (36, 568190), (40, 511371), (42, 487020), (45, 454552), (56, 365265), (60, 340914), (63, 324680), (70, 292212), (72, 284095), (84, 243510), (90, 227276), (105, 194808), (120, 170457), (126, 162340), (140, 146106), (168, 121755), (180, 113638), (210, 97404), (252, 81170), (280, 73053), (315, 64936), (360, 56819), (420, 48702), (504, 40585), (630, 32468), (840, 24351), (1260, 16234), (2520, 8117)]