20187978

素因数分解:

$2^1\times 3^1\times {\mathrm{179}}^1\times {\mathrm{18797}}^1$

素因数の和:18981

約数の個数: 16

約数和(自身を含む): 40603680

約数和(自身を除く): 20415702

約数列:

[1, 2, 3, 6, 179, 358, 537, 1074, 18797, 37594, 56391, 112782, 3364663, 6729326, 10093989, 20187978]

約数ペア:

[(1, 20187978), (2, 10093989), (3, 6729326), (6, 3364663), (179, 112782), (358, 56391), (537, 37594), (1074, 18797)]