20138296

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1423}}^1$

素因数の和:1519

約数の個数: 32

約数和(自身を含む): 39729600

約数和(自身を除く): 19591304

約数列:

[1, 2, 4, 8, 29, 58, 61, 116, 122, 232, 244, 488, 1423, 1769, 2846, 3538, 5692, 7076, 11384, 14152, 41267, 82534, 86803, 165068, 173606, 330136, 347212, 694424, 2517287, 5034574, 10069148, 20138296]

約数ペア:

[(1, 20138296), (2, 10069148), (4, 5034574), (8, 2517287), (29, 694424), (58, 347212), (61, 330136), (116, 173606), (122, 165068), (232, 86803), (244, 82534), (488, 41267), (1423, 14152), (1769, 11384), (2846, 7076), (3538, 5692)]