20040818

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{757}}^1$

素因数の和:858

約数の個数: 32

約数和(自身を含む): 36092928

約数和(自身を除く): 16052110

約数列:

[1, 2, 7, 14, 31, 61, 62, 122, 217, 427, 434, 757, 854, 1514, 1891, 3782, 5299, 10598, 13237, 23467, 26474, 46177, 46934, 92354, 164269, 323239, 328538, 646478, 1431487, 2862974, 10020409, 20040818]

約数ペア:

[(1, 20040818), (2, 10020409), (7, 2862974), (14, 1431487), (31, 646478), (61, 328538), (62, 323239), (122, 164269), (217, 92354), (427, 46934), (434, 46177), (757, 26474), (854, 23467), (1514, 13237), (1891, 10598), (3782, 5299)]