20565580805

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{731741}}^1$

素因数の和:731837

約数の個数: 32

約数和(自身を含む): 31189771008

約数和(自身を除く): 10624190203

約数列:

[1, 5, 7, 11, 35, 55, 73, 77, 365, 385, 511, 803, 2555, 4015, 5621, 28105, 731741, 3658705, 5122187, 8049151, 25610935, 40245755, 53417093, 56344057, 267085465, 281720285, 373919651, 587588023, 1869598255, 2937940115, 4113116161, 20565580805]

約数ペア:

[(1, 20565580805), (5, 4113116161), (7, 2937940115), (11, 1869598255), (35, 587588023), (55, 373919651), (73, 281720285), (77, 267085465), (365, 56344057), (385, 53417093), (511, 40245755), (803, 25610935), (2555, 8049151), (4015, 5122187), (5621, 3658705), (28105, 731741)]