20807764901

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{6590993}}^1$

素因数の和:6591052

約数の個数: 16

約数和(自身を含む): 26574887808

約数和(自身を除く): 5767122907

約数列:

[1, 7, 11, 41, 77, 287, 451, 3157, 6590993, 46136951, 72500923, 270230713, 507506461, 1891614991, 2972537843, 20807764901]

約数ペア:

[(1, 20807764901), (7, 2972537843), (11, 1891614991), (41, 507506461), (77, 270230713), (287, 72500923), (451, 46136951), (3157, 6590993)]