20420176

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6287}}^1$

素因数の和:6331

約数の個数: 40

約数和(自身を含む): 46782720

約数和(自身を除く): 26362544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 232, 406, 464, 812, 1624, 3248, 6287, 12574, 25148, 44009, 50296, 88018, 100592, 176036, 182323, 352072, 364646, 704144, 729292, 1276261, 1458584, 2552522, 2917168, 5105044, 10210088, 20420176]

約数ペア:

[(1, 20420176), (2, 10210088), (4, 5105044), (7, 2917168), (8, 2552522), (14, 1458584), (16, 1276261), (28, 729292), (29, 704144), (56, 364646), (58, 352072), (112, 182323), (116, 176036), (203, 100592), (232, 88018), (406, 50296), (464, 44009), (812, 25148), (1624, 12574), (3248, 6287)]