20702770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{11071}}^1$

素因数の和:11106

約数の個数: 32

約数和(自身を含む): 43047936

約数和(自身を除く): 22345166

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 11071, 22142, 55355, 110710, 121781, 188207, 243562, 376414, 608905, 941035, 1217810, 1882070, 2070277, 4140554, 10351385, 20702770]

約数ペア:

[(1, 20702770), (2, 10351385), (5, 4140554), (10, 2070277), (11, 1882070), (17, 1217810), (22, 941035), (34, 608905), (55, 376414), (85, 243562), (110, 188207), (170, 121781), (187, 110710), (374, 55355), (935, 22142), (1870, 11071)]