20984660

素因数分解:

$2^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{3581}}^1$

素因数の和:3883

約数の個数: 24

約数和(自身を含む): 44230536

約数和(自身を除く): 23245876

約数列:

[1, 2, 4, 5, 10, 20, 293, 586, 1172, 1465, 2930, 3581, 5860, 7162, 14324, 17905, 35810, 71620, 1049233, 2098466, 4196932, 5246165, 10492330, 20984660]

約数ペア:

[(1, 20984660), (2, 10492330), (4, 5246165), (5, 4196932), (10, 2098466), (20, 1049233), (293, 71620), (586, 35810), (1172, 17905), (1465, 14324), (2930, 7162), (3581, 5860)]