20185400

素因数分解:

$2^3\times 5^2\times {\mathrm{100927}}^1$

素因数の和:100943

約数の個数: 24

約数和(自身を含む): 46931520

約数和(自身を除く): 26746120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 100927, 201854, 403708, 504635, 807416, 1009270, 2018540, 2523175, 4037080, 5046350, 10092700, 20185400]

約数ペア:

[(1, 20185400), (2, 10092700), (4, 5046350), (5, 4037080), (8, 2523175), (10, 2018540), (20, 1009270), (25, 807416), (40, 504635), (50, 403708), (100, 201854), (200, 100927)]