20745021

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{2819}}^1$

素因数の和:3056

約数の個数: 16

約数和(自身を含む): 30320640

約数和(自身を除く): 9575619

約数列:

[1, 3, 11, 33, 223, 669, 2453, 2819, 7359, 8457, 31009, 93027, 628637, 1885911, 6915007, 20745021]

約数ペア:

[(1, 20745021), (3, 6915007), (11, 1885911), (33, 628637), (223, 93027), (669, 31009), (2453, 8457), (2819, 7359)]