20641370

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 38071296

約数和(自身を除く): 17429926

約数列:

[1, 2, 5, 10, 101, 107, 191, 202, 214, 382, 505, 535, 955, 1010, 1070, 1910, 10807, 19291, 20437, 21614, 38582, 40874, 54035, 96455, 102185, 108070, 192910, 204370, 2064137, 4128274, 10320685, 20641370]

約数ペア:

[(1, 20641370), (2, 10320685), (5, 4128274), (10, 2064137), (101, 204370), (107, 192910), (191, 108070), (202, 102185), (214, 96455), (382, 54035), (505, 40874), (535, 38582), (955, 21614), (1010, 20437), (1070, 19291), (1910, 10807)]