20646

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:76

約数の個数: 24

約数和(自身を含む): 47424

約数和(自身を除く): 26778

約数列:

[1, 2, 3, 6, 9, 18, 31, 37, 62, 74, 93, 111, 186, 222, 279, 333, 558, 666, 1147, 2294, 3441, 6882, 10323, 20646]

約数ペア:

[(1, 20646), (2, 10323), (3, 6882), (6, 3441), (9, 2294), (18, 1147), (31, 666), (37, 558), (62, 333), (74, 279), (93, 222), (111, 186)]