20161883

素因数分解:

$7^3\times {\mathrm{43}}^1\times {\mathrm{1367}}^1$

素因数の和:1431

約数の個数: 16

約数和(自身を含む): 24076800

約数和(自身を除く): 3914917

約数列:

[1, 7, 43, 49, 301, 343, 1367, 2107, 9569, 14749, 58781, 66983, 411467, 468881, 2880269, 20161883]

約数ペア:

[(1, 20161883), (7, 2880269), (43, 468881), (49, 411467), (301, 66983), (343, 58781), (1367, 14749), (2107, 9569)]