2013959020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{45751}}^1$

素因数の和:45862

約数の個数: 48

約数和(自身を含む): 4427329536

約数和(自身を除く): 2413370516

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 620, 710, 1420, 2201, 4402, 8804, 11005, 22010, 44020, 45751, 91502, 183004, 228755, 457510, 915020, 1418281, 2836562, 3248321, 5673124, 6496642, 7091405, 12993284, 14182810, 16241605, 28365620, 32483210, 64966420, 100697951, 201395902, 402791804, 503489755, 1006979510, 2013959020]

約数ペア:

[(1, 2013959020), (2, 1006979510), (4, 503489755), (5, 402791804), (10, 201395902), (20, 100697951), (31, 64966420), (62, 32483210), (71, 28365620), (124, 16241605), (142, 14182810), (155, 12993284), (284, 7091405), (310, 6496642), (355, 5673124), (620, 3248321), (710, 2836562), (1420, 1418281), (2201, 915020), (4402, 457510), (8804, 228755), (11005, 183004), (22010, 91502), (44020, 45751)]