20818106

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{3613}}^1$

素因数の和:3725

約数の個数: 16

約数和(自身を含む): 32439264

約数和(自身を除く): 11621158

約数列:

[1, 2, 43, 67, 86, 134, 2881, 3613, 5762, 7226, 155359, 242071, 310718, 484142, 10409053, 20818106]

約数ペア:

[(1, 20818106), (2, 10409053), (43, 484142), (67, 310718), (86, 242071), (134, 155359), (2881, 7226), (3613, 5762)]