20067908

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{4397}}^1$

素因数の和:4571

約数の個数: 24

約数和(自身を含む): 40391232

約数和(自身を除く): 20323324

約数列:

[1, 2, 4, 7, 14, 28, 163, 326, 652, 1141, 2282, 4397, 4564, 8794, 17588, 30779, 61558, 123116, 716711, 1433422, 2866844, 5016977, 10033954, 20067908]

約数ペア:

[(1, 20067908), (2, 10033954), (4, 5016977), (7, 2866844), (14, 1433422), (28, 716711), (163, 123116), (326, 61558), (652, 30779), (1141, 17588), (2282, 8794), (4397, 4564)]