12301420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19841}}^1$

素因数の和:19881

約数の個数: 24

約数和(自身を含む): 26667648

約数和(自身を除く): 14366228

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 19841, 39682, 79364, 99205, 198410, 396820, 615071, 1230142, 2460284, 3075355, 6150710, 12301420]

約数ペア:

[(1, 12301420), (2, 6150710), (4, 3075355), (5, 2460284), (10, 1230142), (20, 615071), (31, 396820), (62, 198410), (124, 99205), (155, 79364), (310, 39682), (620, 19841)]