20400796

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{1069}}^1$

素因数の和:1453

約数の個数: 24

約数和(自身を含む): 38588480

約数和(自身を除く): 18187684

約数列:

[1, 2, 4, 13, 26, 52, 367, 734, 1069, 1468, 2138, 4276, 4771, 9542, 13897, 19084, 27794, 55588, 392323, 784646, 1569292, 5100199, 10200398, 20400796]

約数ペア:

[(1, 20400796), (2, 10200398), (4, 5100199), (13, 1569292), (26, 784646), (52, 392323), (367, 55588), (734, 27794), (1069, 19084), (1468, 13897), (2138, 9542), (4276, 4771)]