20299526

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:396

約数の個数: 32

約数和(自身を含む): 34180608

約数和(自身を除く): 13881082

約数列:

[1, 2, 13, 26, 43, 67, 86, 134, 271, 542, 559, 871, 1118, 1742, 2881, 3523, 5762, 7046, 11653, 18157, 23306, 36314, 37453, 74906, 151489, 236041, 302978, 472082, 780751, 1561502, 10149763, 20299526]

約数ペア:

[(1, 20299526), (2, 10149763), (13, 1561502), (26, 780751), (43, 472082), (67, 302978), (86, 236041), (134, 151489), (271, 74906), (542, 37453), (559, 36314), (871, 23306), (1118, 18157), (1742, 11653), (2881, 7046), (3523, 5762)]