20900848

素因数分解:

$2^4\times {\mathrm{613}}^1\times {\mathrm{2131}}^1$

素因数の和:2752

約数の個数: 20

約数和(自身を含む): 40580488

約数和(自身を除く): 19679640

約数列:

[1, 2, 4, 8, 16, 613, 1226, 2131, 2452, 4262, 4904, 8524, 9808, 17048, 34096, 1306303, 2612606, 5225212, 10450424, 20900848]

約数ペア:

[(1, 20900848), (2, 10450424), (4, 5225212), (8, 2612606), (16, 1306303), (613, 34096), (1226, 17048), (2131, 9808), (2452, 8524), (4262, 4904)]