20315799

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6323}}^1$

素因数の和:6356

約数の個数: 32

約数和(自身を含む): 36426240

約数和(自身を除く): 16110441

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 6323, 18969, 44261, 56907, 107491, 132783, 170721, 322473, 398349, 752437, 967419, 1195047, 2257311, 2902257, 6771933, 20315799]

約数ペア:

[(1, 20315799), (3, 6771933), (7, 2902257), (9, 2257311), (17, 1195047), (21, 967419), (27, 752437), (51, 398349), (63, 322473), (119, 170721), (153, 132783), (189, 107491), (357, 56907), (459, 44261), (1071, 18969), (3213, 6323)]