20577123

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19213}}^1$

素因数の和:19243

約数の個数: 24

約数和(自身を含む): 35968608

約数和(自身を除く): 15391485

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 19213, 57639, 134491, 172917, 326621, 403473, 979863, 1210419, 2286347, 2939589, 6859041, 20577123]

約数ペア:

[(1, 20577123), (3, 6859041), (7, 2939589), (9, 2286347), (17, 1210419), (21, 979863), (51, 403473), (63, 326621), (119, 172917), (153, 134491), (357, 57639), (1071, 19213)]