20480572

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{6473}}^1$

素因数の和:6597

約数の個数: 24

約数和(自身を含む): 41330016

約数和(自身を除く): 20849444

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 6473, 12946, 25892, 45311, 90622, 181244, 731449, 1462898, 2925796, 5120143, 10240286, 20480572]

約数ペア:

[(1, 20480572), (2, 10240286), (4, 5120143), (7, 2925796), (14, 1462898), (28, 731449), (113, 181244), (226, 90622), (452, 45311), (791, 25892), (1582, 12946), (3164, 6473)]