20376250

素因数分解:

$2^1\times 5^4\times {\mathrm{16301}}^1$

素因数の和:16323

約数の個数: 20

約数和(自身を含む): 38195586

約数和(自身を除く): 17819336

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 16301, 32602, 81505, 163010, 407525, 815050, 2037625, 4075250, 10188125, 20376250]

約数ペア:

[(1, 20376250), (2, 10188125), (5, 4075250), (10, 2037625), (25, 815050), (50, 407525), (125, 163010), (250, 81505), (625, 32602), (1250, 16301)]