20431628

素因数分解:

$2^2\times 7^2\times {\mathrm{104243}}^1$

素因数の和:104261

約数の個数: 18

約数和(自身を含む): 41593356

約数和(自身を除く): 21161728

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 104243, 208486, 416972, 729701, 1459402, 2918804, 5107907, 10215814, 20431628]

約数ペア:

[(1, 20431628), (2, 10215814), (4, 5107907), (7, 2918804), (14, 1459402), (28, 729701), (49, 416972), (98, 208486), (196, 104243)]