20998782

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{166657}}^1$

素因数の和:166672

約数の個数: 24

約数和(自身を含む): 51997296

約数和(自身を除く): 30998514

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 166657, 333314, 499971, 999942, 1166599, 1499913, 2333198, 2999826, 3499797, 6999594, 10499391, 20998782]

約数ペア:

[(1, 20998782), (2, 10499391), (3, 6999594), (6, 3499797), (7, 2999826), (9, 2333198), (14, 1499913), (18, 1166599), (21, 999942), (42, 499971), (63, 333314), (126, 166657)]