30720956

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{13219}}^1$

素因数の和:13313

約数の個数: 24

約数和(自身を含む): 62186880

約数和(自身を除く): 31465924

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 332, 581, 1162, 2324, 13219, 26438, 52876, 92533, 185066, 370132, 1097177, 2194354, 4388708, 7680239, 15360478, 30720956]

約数ペア:

[(1, 30720956), (2, 15360478), (4, 7680239), (7, 4388708), (14, 2194354), (28, 1097177), (83, 370132), (166, 185066), (332, 92533), (581, 52876), (1162, 26438), (2324, 13219)]