20394378

素因数分解:

$2^1\times 3^2\times {\mathrm{859}}^1\times {\mathrm{1319}}^1$

素因数の和:2186

約数の個数: 24

約数和(自身を含む): 44272800

約数和(自身を除く): 23878422

約数列:

[1, 2, 3, 6, 9, 18, 859, 1319, 1718, 2577, 2638, 3957, 5154, 7731, 7914, 11871, 15462, 23742, 1133021, 2266042, 3399063, 6798126, 10197189, 20394378]

約数ペア:

[(1, 20394378), (2, 10197189), (3, 6798126), (6, 3399063), (9, 2266042), (18, 1133021), (859, 23742), (1319, 15462), (1718, 11871), (2577, 7914), (2638, 7731), (3957, 5154)]