20262100

素因数分解:

$2^2\times 5^2\times {\mathrm{202621}}^1$

素因数の和:202635

約数の個数: 18

約数和(自身を含む): 43968974

約数和(自身を除く): 23706874

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 202621, 405242, 810484, 1013105, 2026210, 4052420, 5065525, 10131050, 20262100]

約数ペア:

[(1, 20262100), (2, 10131050), (4, 5065525), (5, 4052420), (10, 2026210), (20, 1013105), (25, 810484), (50, 405242), (100, 202621)]