20807598

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1009}}^1$

素因数の和:1512

約数の個数: 32

約数和(自身を含む): 47704320

約数和(自身を除く): 26896722

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 491, 982, 1009, 1473, 2018, 2946, 3027, 3437, 6054, 6874, 7063, 10311, 14126, 20622, 21189, 42378, 495419, 990838, 1486257, 2972514, 3467933, 6935866, 10403799, 20807598]

約数ペア:

[(1, 20807598), (2, 10403799), (3, 6935866), (6, 3467933), (7, 2972514), (14, 1486257), (21, 990838), (42, 495419), (491, 42378), (982, 21189), (1009, 20622), (1473, 14126), (2018, 10311), (2946, 7063), (3027, 6874), (3437, 6054)]