20899470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{811}}^1\times {\mathrm{859}}^1$

素因数の和:1680

約数の個数: 32

約数和(自身を含む): 50279040

約数和(自身を除く): 29379570

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 811, 859, 1622, 1718, 2433, 2577, 4055, 4295, 4866, 5154, 8110, 8590, 12165, 12885, 24330, 25770, 696649, 1393298, 2089947, 3483245, 4179894, 6966490, 10449735, 20899470]

約数ペア:

[(1, 20899470), (2, 10449735), (3, 6966490), (5, 4179894), (6, 3483245), (10, 2089947), (15, 1393298), (30, 696649), (811, 25770), (859, 24330), (1622, 12885), (1718, 12165), (2433, 8590), (2577, 8110), (4055, 5154), (4295, 4866)]