20974163

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1\times {\mathrm{373}}^1$

素因数の和:686

約数の個数: 16

約数和(自身を含む): 24953280

約数和(自身を除く): 3979117

約数列:

[1, 7, 29, 203, 277, 373, 1939, 2611, 8033, 10817, 56231, 75719, 103321, 723247, 2996309, 20974163]

約数ペア:

[(1, 20974163), (7, 2996309), (29, 723247), (203, 103321), (277, 75719), (373, 56231), (1939, 10817), (2611, 8033)]