20045460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4229}}^1$

素因数の和:4320

約数の個数: 48

約数和(自身を含む): 56851200

約数和(自身を除く): 36805740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4229, 4740, 8458, 12687, 16916, 21145, 25374, 42290, 50748, 63435, 84580, 126870, 253740, 334091, 668182, 1002273, 1336364, 1670455, 2004546, 3340910, 4009092, 5011365, 6681820, 10022730, 20045460]

約数ペア:

[(1, 20045460), (2, 10022730), (3, 6681820), (4, 5011365), (5, 4009092), (6, 3340910), (10, 2004546), (12, 1670455), (15, 1336364), (20, 1002273), (30, 668182), (60, 334091), (79, 253740), (158, 126870), (237, 84580), (316, 63435), (395, 50748), (474, 42290), (790, 25374), (948, 21145), (1185, 16916), (1580, 12687), (2370, 8458), (4229, 4740)]