20199159729

素因数分解:

$3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{815831}}^1$

素因数の和:815978

約数の個数: 32

約数和(自身を含む): 34460743680

約数和(自身を除く): 14261583951

約数列:

[1, 3, 7, 9, 21, 27, 63, 131, 189, 393, 917, 1179, 2751, 3537, 8253, 24759, 815831, 2447493, 5710817, 7342479, 17132451, 22027437, 51397353, 106873861, 154192059, 320621583, 748117027, 961864749, 2244351081, 2885594247, 6733053243, 20199159729]

約数ペア:

[(1, 20199159729), (3, 6733053243), (7, 2885594247), (9, 2244351081), (21, 961864749), (27, 748117027), (63, 320621583), (131, 154192059), (189, 106873861), (393, 51397353), (917, 22027437), (1179, 17132451), (2751, 7342479), (3537, 5710817), (8253, 2447493), (24759, 815831)]