20020864

素因数分解:

$2^7\times {\mathrm{71}}^1\times {\mathrm{2203}}^1$

素因数の和:2288

約数の個数: 32

約数和(自身を含む): 40465440

約数和(自身を除く): 20444576

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 284, 568, 1136, 2203, 2272, 4406, 4544, 8812, 9088, 17624, 35248, 70496, 140992, 156413, 281984, 312826, 625652, 1251304, 2502608, 5005216, 10010432, 20020864]

約数ペア:

[(1, 20020864), (2, 10010432), (4, 5005216), (8, 2502608), (16, 1251304), (32, 625652), (64, 312826), (71, 281984), (128, 156413), (142, 140992), (284, 70496), (568, 35248), (1136, 17624), (2203, 9088), (2272, 8812), (4406, 4544)]