20079820

素因数分解:

$2^2\times 5^1\times {\mathrm{677}}^1\times {\mathrm{1483}}^1$

素因数の和:2169

約数の個数: 24

約数和(自身を含む): 42258384

約数和(自身を除く): 22178564

約数列:

[1, 2, 4, 5, 10, 20, 677, 1354, 1483, 2708, 2966, 3385, 5932, 6770, 7415, 13540, 14830, 29660, 1003991, 2007982, 4015964, 5019955, 10039910, 20079820]

約数ペア:

[(1, 20079820), (2, 10039910), (4, 5019955), (5, 4015964), (10, 2007982), (20, 1003991), (677, 29660), (1354, 14830), (1483, 13540), (2708, 7415), (2966, 6770), (3385, 5932)]