20009456870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2297297}}^1$

素因数の和:2297384

約数の個数: 32

約数和(自身を含む): 39366498528

約数和(自身を除く): 19357041658

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 4355, 8710, 2297297, 4594594, 11486485, 22972970, 29864861, 59729722, 149324305, 153918899, 298648610, 307837798, 769594495, 1539188990, 2000945687, 4001891374, 10004728435, 20009456870]

約数ペア:

[(1, 20009456870), (2, 10004728435), (5, 4001891374), (10, 2000945687), (13, 1539188990), (26, 769594495), (65, 307837798), (67, 298648610), (130, 153918899), (134, 149324305), (335, 59729722), (670, 29864861), (871, 22972970), (1742, 11486485), (4355, 4594594), (8710, 2297297)]