20176264

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{449}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 39123000

約数和(自身を除く): 18946736

約数列:

[1, 2, 4, 8, 41, 82, 137, 164, 274, 328, 449, 548, 898, 1096, 1796, 3592, 5617, 11234, 18409, 22468, 36818, 44936, 61513, 73636, 123026, 147272, 246052, 492104, 2522033, 5044066, 10088132, 20176264]

約数ペア:

[(1, 20176264), (2, 10088132), (4, 5044066), (8, 2522033), (41, 492104), (82, 246052), (137, 147272), (164, 123026), (274, 73636), (328, 61513), (449, 44936), (548, 36818), (898, 22468), (1096, 18409), (1796, 11234), (3592, 5617)]