20147393931

素因数分解:

$3^1\times 7^1\times {\mathrm{1319}}^1\times {\mathrm{727369}}^1$

素因数の和:728698

約数の個数: 16

約数和(自身を含む): 30724108800

約数和(自身を除く): 10576714869

約数列:

[1, 3, 7, 21, 1319, 3957, 9233, 27699, 727369, 2182107, 5091583, 15274749, 959399711, 2878199133, 6715797977, 20147393931]

約数ペア:

[(1, 20147393931), (3, 6715797977), (7, 2878199133), (21, 959399711), (1319, 15274749), (3957, 5091583), (9233, 2182107), (27699, 727369)]