20112945

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^2\times {\mathrm{607}}^1$

素因数の和:709

約数の個数: 24

約数和(自身を含む): 32934144

約数和(自身を除く): 12821199

約数列:

[1, 3, 5, 15, 47, 141, 235, 607, 705, 1821, 2209, 3035, 6627, 9105, 11045, 28529, 33135, 85587, 142645, 427935, 1340863, 4022589, 6704315, 20112945]

約数ペア:

[(1, 20112945), (3, 6704315), (5, 4022589), (15, 1340863), (47, 427935), (141, 142645), (235, 85587), (607, 33135), (705, 28529), (1821, 11045), (2209, 9105), (3035, 6627)]