20290438894

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{1425491}}^1$

素因数の和:1426151

約数の個数: 16

約数和(自身を含む): 33253877376

約数和(自身を除く): 12963438482

約数列:

[1, 2, 11, 22, 647, 1294, 7117, 14234, 1425491, 2850982, 15680401, 31360802, 922292677, 1844585354, 10145219447, 20290438894]

約数ペア:

[(1, 20290438894), (2, 10145219447), (11, 1844585354), (22, 922292677), (647, 31360802), (1294, 15680401), (7117, 2850982), (14234, 1425491)]