20375271

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{8741}}^1$

素因数の和:8791

約数の個数: 24

約数和(自身を含む): 34548384

約数和(自身を除く): 14173113

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 8741, 26223, 61187, 78669, 183561, 323417, 550683, 970251, 2263919, 2910753, 6791757, 20375271]

約数ペア:

[(1, 20375271), (3, 6791757), (7, 2910753), (9, 2263919), (21, 970251), (37, 550683), (63, 323417), (111, 183561), (259, 78669), (333, 61187), (777, 26223), (2331, 8741)]