20202855

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1889}}^1$

素因数の和:1951

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 14633625

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 155, 345, 465, 713, 1889, 2139, 3565, 5667, 9445, 10695, 28335, 43447, 58559, 130341, 175677, 217235, 292795, 651705, 878385, 1346857, 4040571, 6734285, 20202855]

約数ペア:

[(1, 20202855), (3, 6734285), (5, 4040571), (15, 1346857), (23, 878385), (31, 651705), (69, 292795), (93, 217235), (115, 175677), (155, 130341), (345, 58559), (465, 43447), (713, 28335), (1889, 10695), (2139, 9445), (3565, 5667)]