20279645

素因数分解:

$5^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:484

約数の個数: 16

約数和(自身を含む): 24796800

約数和(自身を除く): 4517155

約数列:

[1, 5, 149, 163, 167, 745, 815, 835, 24287, 24883, 27221, 121435, 124415, 136105, 4055929, 20279645]

約数ペア:

[(1, 20279645), (5, 4055929), (149, 136105), (163, 124415), (167, 121435), (745, 27221), (815, 24883), (835, 24287)]