20985684

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{102871}}^1$

素因数の和:102895

約数の個数: 24

約数和(自身を含む): 51847488

約数和(自身を除く): 30861804

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 102871, 205742, 308613, 411484, 617226, 1234452, 1748807, 3497614, 5246421, 6995228, 10492842, 20985684]

約数ペア:

[(1, 20985684), (2, 10492842), (3, 6995228), (4, 5246421), (6, 3497614), (12, 1748807), (17, 1234452), (34, 617226), (51, 411484), (68, 308613), (102, 205742), (204, 102871)]