20390418

素因数分解:

$2^1\times 3^2\times {\mathrm{373}}^1\times {\mathrm{3037}}^1$

素因数の和:3418

約数の個数: 24

約数和(自身を含む): 44312268

約数和(自身を除く): 23921850

約数列:

[1, 2, 3, 6, 9, 18, 373, 746, 1119, 2238, 3037, 3357, 6074, 6714, 9111, 18222, 27333, 54666, 1132801, 2265602, 3398403, 6796806, 10195209, 20390418]

約数ペア:

[(1, 20390418), (2, 10195209), (3, 6796806), (6, 3398403), (9, 2265602), (18, 1132801), (373, 54666), (746, 27333), (1119, 18222), (2238, 9111), (3037, 6714), (3357, 6074)]