20789425

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 26810784

約数和(自身を除く): 6021359

約数列:

[1, 5, 25, 43, 83, 215, 233, 415, 1075, 1165, 2075, 3569, 5825, 10019, 17845, 19339, 50095, 89225, 96695, 250475, 483475, 831577, 4157885, 20789425]

約数ペア:

[(1, 20789425), (5, 4157885), (25, 831577), (43, 483475), (83, 250475), (215, 96695), (233, 89225), (415, 50095), (1075, 19339), (1165, 17845), (2075, 10019), (3569, 5825)]