16949740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19709}}^1$

素因数の和:19761

約数の個数: 24

約数和(自身を含む): 36424080

約数和(自身を除く): 19474340

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 19709, 39418, 78836, 98545, 197090, 394180, 847487, 1694974, 3389948, 4237435, 8474870, 16949740]

約数ペア:

[(1, 16949740), (2, 8474870), (4, 4237435), (5, 3389948), (10, 1694974), (20, 847487), (43, 394180), (86, 197090), (172, 98545), (215, 78836), (430, 39418), (860, 19709)]