20980432

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{10837}}^1$

素因数の和:10867

約数の個数: 30

約数和(自身を含む): 44685074

約数和(自身を除く): 23704642

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 10837, 21674, 43348, 86696, 119207, 173392, 238414, 476828, 953656, 1311277, 1907312, 2622554, 5245108, 10490216, 20980432]

約数ペア:

[(1, 20980432), (2, 10490216), (4, 5245108), (8, 2622554), (11, 1907312), (16, 1311277), (22, 953656), (44, 476828), (88, 238414), (121, 173392), (176, 119207), (242, 86696), (484, 43348), (968, 21674), (1936, 10837)]