20557788

素因数分解:

$2^2\times 3^1\times {\mathrm{229}}^1\times {\mathrm{7481}}^1$

素因数の和:7717

約数の個数: 24

約数和(自身を含む): 48184080

約数和(自身を除く): 27626292

約数列:

[1, 2, 3, 4, 6, 12, 229, 458, 687, 916, 1374, 2748, 7481, 14962, 22443, 29924, 44886, 89772, 1713149, 3426298, 5139447, 6852596, 10278894, 20557788]

約数ペア:

[(1, 20557788), (2, 10278894), (3, 6852596), (4, 5139447), (6, 3426298), (12, 1713149), (229, 89772), (458, 44886), (687, 29924), (916, 22443), (1374, 14962), (2748, 7481)]