17717156980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21606289}}^1$

素因数の和:21606339

約数の個数: 24

約数和(自身を含む): 38113495560

約数和(自身を除く): 20396338580

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 21606289, 43212578, 86425156, 108031445, 216062890, 432125780, 885857849, 1771715698, 3543431396, 4429289245, 8858578490, 17717156980]

約数ペア:

[(1, 17717156980), (2, 8858578490), (4, 4429289245), (5, 3543431396), (10, 1771715698), (20, 885857849), (41, 432125780), (82, 216062890), (164, 108031445), (205, 86425156), (410, 43212578), (820, 21606289)]