20123847512978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{34211}}^1\times {\mathrm{26737609}}^1$

素因数の和:26771833

約数の個数: 16

約数和(自身を含む): 32930896079520

約数和(自身を除く): 12807048566542

約数列:

[1, 2, 11, 22, 34211, 68422, 376321, 752642, 26737609, 53475218, 294113699, 588227398, 914720341499, 1829440682998, 10061923756489, 20123847512978]

約数ペア:

[(1, 20123847512978), (2, 10061923756489), (11, 1829440682998), (22, 914720341499), (34211, 588227398), (68422, 294113699), (376321, 53475218), (752642, 26737609)]