20810343455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{217579}}^1$

素因数の和:217679

約数の個数: 32

約数和(自身を含む): 28574346240

約数和(自身を除く): 7764002785

約数列:

[1, 5, 11, 37, 47, 55, 185, 235, 407, 517, 1739, 2035, 2585, 8695, 19129, 95645, 217579, 1087895, 2393369, 8050423, 10226213, 11966845, 40252115, 51131065, 88554653, 112488343, 378369881, 442773265, 562441715, 1891849405, 4162068691, 20810343455]

約数ペア:

[(1, 20810343455), (5, 4162068691), (11, 1891849405), (37, 562441715), (47, 442773265), (55, 378369881), (185, 112488343), (235, 88554653), (407, 51131065), (517, 40252115), (1739, 11966845), (2035, 10226213), (2585, 8050423), (8695, 2393369), (19129, 1087895), (95645, 217579)]