20112100

素因数分解:

$2^2\times 5^2\times {\mathrm{201121}}^1$

素因数の和:201135

約数の個数: 18

約数和(自身を含む): 43643474

約数和(自身を除く): 23531374

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 201121, 402242, 804484, 1005605, 2011210, 4022420, 5028025, 10056050, 20112100]

約数ペア:

[(1, 20112100), (2, 10056050), (4, 5028025), (5, 4022420), (10, 2011210), (20, 1005605), (25, 804484), (50, 402242), (100, 201121)]