20337340

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{3671}}^1$

素因数の和:3957

約数の個数: 24

約数和(自身を含む): 42874272

約数和(自身を除く): 22536932

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 3671, 5540, 7342, 14684, 18355, 36710, 73420, 1016867, 2033734, 4067468, 5084335, 10168670, 20337340]

約数ペア:

[(1, 20337340), (2, 10168670), (4, 5084335), (5, 4067468), (10, 2033734), (20, 1016867), (277, 73420), (554, 36710), (1108, 18355), (1385, 14684), (2770, 7342), (3671, 5540)]