20158796

素因数分解:

$2^2\times 7^4\times {\mathrm{2099}}^1$

素因数の和:2131

約数の個数: 30

約数和(自身を含む): 41174700

約数和(自身を除く): 21015904

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 2099, 2401, 4198, 4802, 8396, 9604, 14693, 29386, 58772, 102851, 205702, 411404, 719957, 1439914, 2879828, 5039699, 10079398, 20158796]

約数ペア:

[(1, 20158796), (2, 10079398), (4, 5039699), (7, 2879828), (14, 1439914), (28, 719957), (49, 411404), (98, 205702), (196, 102851), (343, 58772), (686, 29386), (1372, 14693), (2099, 9604), (2401, 8396), (4198, 4802)]