20903562

素因数分解:

$2^1\times 3^3\times {\mathrm{521}}^1\times {\mathrm{743}}^1$

素因数の和:1275

約数の個数: 32

約数和(自身を含む): 46604160

約数和(自身を除く): 25700598

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 521, 743, 1042, 1486, 1563, 2229, 3126, 4458, 4689, 6687, 9378, 13374, 14067, 20061, 28134, 40122, 387103, 774206, 1161309, 2322618, 3483927, 6967854, 10451781, 20903562]

約数ペア:

[(1, 20903562), (2, 10451781), (3, 6967854), (6, 3483927), (9, 2322618), (18, 1161309), (27, 774206), (54, 387103), (521, 40122), (743, 28134), (1042, 20061), (1486, 14067), (1563, 13374), (2229, 9378), (3126, 6687), (4458, 4689)]