20698636

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{7621}}^1$

素因数の和:7729

約数の個数: 24

約数和(自身を含む): 41829536

約数和(自身を除く): 21130900

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 388, 679, 1358, 2716, 7621, 15242, 30484, 53347, 106694, 213388, 739237, 1478474, 2956948, 5174659, 10349318, 20698636]

約数ペア:

[(1, 20698636), (2, 10349318), (4, 5174659), (7, 2956948), (14, 1478474), (28, 739237), (97, 213388), (194, 106694), (388, 53347), (679, 30484), (1358, 15242), (2716, 7621)]