20456487184

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4936411}}^1$

素因数の和:4936463

約数の個数: 40

約数和(自身を含む): 46520746688

約数和(自身を除く): 26064259504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 259, 296, 518, 592, 1036, 2072, 4144, 4936411, 9872822, 19745644, 34554877, 39491288, 69109754, 78982576, 138219508, 182647207, 276439016, 365294414, 552878032, 730588828, 1278530449, 1461177656, 2557060898, 2922355312, 5114121796, 10228243592, 20456487184]

約数ペア:

[(1, 20456487184), (2, 10228243592), (4, 5114121796), (7, 2922355312), (8, 2557060898), (14, 1461177656), (16, 1278530449), (28, 730588828), (37, 552878032), (56, 365294414), (74, 276439016), (112, 182647207), (148, 138219508), (259, 78982576), (296, 69109754), (518, 39491288), (592, 34554877), (1036, 19745644), (2072, 9872822), (4144, 4936411)]