11720684

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{10139}}^1$

素因数の和:10177

約数の個数: 18

約数和(自身を含む): 21790860

約数和(自身を除く): 10070176

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 10139, 20278, 40556, 172363, 344726, 689452, 2930171, 5860342, 11720684]

約数ペア:

[(1, 11720684), (2, 5860342), (4, 2930171), (17, 689452), (34, 344726), (68, 172363), (289, 40556), (578, 20278), (1156, 10139)]