20502888

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{122041}}^1$

素因数の和:122057

約数の個数: 32

約数和(自身を含む): 58580160

約数和(自身を除く): 38077272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 122041, 244082, 366123, 488164, 732246, 854287, 976328, 1464492, 1708574, 2562861, 2928984, 3417148, 5125722, 6834296, 10251444, 20502888]

約数ペア:

[(1, 20502888), (2, 10251444), (3, 6834296), (4, 5125722), (6, 3417148), (7, 2928984), (8, 2562861), (12, 1708574), (14, 1464492), (21, 976328), (24, 854287), (28, 732246), (42, 488164), (56, 366123), (84, 244082), (168, 122041)]