20052560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22787}}^1$

素因数の和:22811

約数の個数: 40

約数和(自身を含む): 50862816

約数和(自身を除く): 30810256

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22787, 45574, 91148, 113935, 182296, 227870, 250657, 364592, 455740, 501314, 911480, 1002628, 1253285, 1822960, 2005256, 2506570, 4010512, 5013140, 10026280, 20052560]

約数ペア:

[(1, 20052560), (2, 10026280), (4, 5013140), (5, 4010512), (8, 2506570), (10, 2005256), (11, 1822960), (16, 1253285), (20, 1002628), (22, 911480), (40, 501314), (44, 455740), (55, 364592), (80, 250657), (88, 227870), (110, 182296), (176, 113935), (220, 91148), (440, 45574), (880, 22787)]