20551822

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{1571}}^1$

素因数の和:1815

約数の個数: 16

約数和(自身を含む): 31993344

約数和(自身を除く): 11441522

約数列:

[1, 2, 31, 62, 211, 422, 1571, 3142, 6541, 13082, 48701, 97402, 331481, 662962, 10275911, 20551822]

約数ペア:

[(1, 20551822), (2, 10275911), (31, 662962), (62, 331481), (211, 97402), (422, 48701), (1571, 13082), (3142, 6541)]