20108690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2789}}^1$

素因数の和:2906

約数の個数: 32

約数和(自身を含む): 41783040

約数和(自身を除く): 21674350

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 2789, 3605, 5578, 7210, 13945, 19523, 27890, 39046, 97615, 195230, 287267, 574534, 1436335, 2010869, 2872670, 4021738, 10054345, 20108690]

約数ペア:

[(1, 20108690), (2, 10054345), (5, 4021738), (7, 2872670), (10, 2010869), (14, 1436335), (35, 574534), (70, 287267), (103, 195230), (206, 97615), (515, 39046), (721, 27890), (1030, 19523), (1442, 13945), (2789, 7210), (3605, 5578)]