20085331120

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1685011}}^1$

素因数の和:1685173

約数の個数: 40

約数和(自身を含む): 47011834800

約数和(自身を除く): 26926503680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 5960, 11920, 1685011, 3370022, 6740044, 8425055, 13480088, 16850110, 26960176, 33700220, 67400440, 134800880, 251066639, 502133278, 1004266556, 1255333195, 2008533112, 2510666390, 4017066224, 5021332780, 10042665560, 20085331120]

約数ペア:

[(1, 20085331120), (2, 10042665560), (4, 5021332780), (5, 4017066224), (8, 2510666390), (10, 2008533112), (16, 1255333195), (20, 1004266556), (40, 502133278), (80, 251066639), (149, 134800880), (298, 67400440), (596, 33700220), (745, 26960176), (1192, 16850110), (1490, 13480088), (2384, 8425055), (2980, 6740044), (5960, 3370022), (11920, 1685011)]