20199665168

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66446267}}^1$

素因数の和:66446294

約数の個数: 20

約数和(自身を含む): 41196686160

約数和(自身を除く): 20997020992

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66446267, 132892534, 265785068, 531570136, 1063140272, 1262479073, 2524958146, 5049916292, 10099832584, 20199665168]

約数ペア:

[(1, 20199665168), (2, 10099832584), (4, 5049916292), (8, 2524958146), (16, 1262479073), (19, 1063140272), (38, 531570136), (76, 265785068), (152, 132892534), (304, 66446267)]