20789316

素因数分解:

$2^2\times 3^2\times {\mathrm{677}}^1\times {\mathrm{853}}^1$

素因数の和:1540

約数の個数: 36

約数和(自身を含む): 52690092

約数和(自身を除く): 31900776

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 677, 853, 1354, 1706, 2031, 2559, 2708, 3412, 4062, 5118, 6093, 7677, 8124, 10236, 12186, 15354, 24372, 30708, 577481, 1154962, 1732443, 2309924, 3464886, 5197329, 6929772, 10394658, 20789316]

約数ペア:

[(1, 20789316), (2, 10394658), (3, 6929772), (4, 5197329), (6, 3464886), (9, 2309924), (12, 1732443), (18, 1154962), (36, 577481), (677, 30708), (853, 24372), (1354, 15354), (1706, 12186), (2031, 10236), (2559, 8124), (2708, 7677), (3412, 6093), (4062, 5118)]