16731940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26987}}^1$

素因数の和:27027

約数の個数: 24

約数和(自身を含む): 36271872

約数和(自身を除く): 19539932

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 26987, 53974, 107948, 134935, 269870, 539740, 836597, 1673194, 3346388, 4182985, 8365970, 16731940]

約数ペア:

[(1, 16731940), (2, 8365970), (4, 4182985), (5, 3346388), (10, 1673194), (20, 836597), (31, 539740), (62, 269870), (124, 134935), (155, 107948), (310, 53974), (620, 26987)]