20541050

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{3769}}^1$

素因数の和:3890

約数の個数: 24

約数和(自身を含む): 38567100

約数和(自身を除く): 18026050

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 545, 1090, 2725, 3769, 5450, 7538, 18845, 37690, 94225, 188450, 410821, 821642, 2054105, 4108210, 10270525, 20541050]

約数ペア:

[(1, 20541050), (2, 10270525), (5, 4108210), (10, 2054105), (25, 821642), (50, 410821), (109, 188450), (218, 94225), (545, 37690), (1090, 18845), (2725, 7538), (3769, 5450)]