20391138

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{24103}}^1$

素因数の和:24158

約数の個数: 24

約数和(自身を含む): 45122688

約数和(自身を除く): 24731550

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 141, 282, 423, 846, 24103, 48206, 72309, 144618, 216927, 433854, 1132841, 2265682, 3398523, 6797046, 10195569, 20391138]

約数ペア:

[(1, 20391138), (2, 10195569), (3, 6797046), (6, 3398523), (9, 2265682), (18, 1132841), (47, 433854), (94, 216927), (141, 144618), (282, 72309), (423, 48206), (846, 24103)]