20338266

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{260747}}^1$

素因数の和:260765

約数の個数: 16

約数和(自身を含む): 43805664

約数和(自身を除く): 23467398

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 260747, 521494, 782241, 1564482, 3389711, 6779422, 10169133, 20338266]

約数ペア:

[(1, 20338266), (2, 10169133), (3, 6779422), (6, 3389711), (13, 1564482), (26, 782241), (39, 521494), (78, 260747)]