20516542

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{9151}}^1$

素因数の和:9231

約数の個数: 16

約数和(自身を含む): 32947200

約数和(自身を除く): 12430658

約数列:

[1, 2, 19, 38, 59, 118, 1121, 2242, 9151, 18302, 173869, 347738, 539909, 1079818, 10258271, 20516542]

約数ペア:

[(1, 20516542), (2, 10258271), (19, 1079818), (38, 539909), (59, 347738), (118, 173869), (1121, 18302), (2242, 9151)]