16855290

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{20809}}^1$

素因数の和:20828

約数の個数: 40

約数和(自身を含む): 45324180

約数和(自身を除く): 28468890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 20809, 41618, 62427, 104045, 124854, 187281, 208090, 312135, 374562, 561843, 624270, 936405, 1123686, 1685529, 1872810, 2809215, 3371058, 5618430, 8427645, 16855290]

約数ペア:

[(1, 16855290), (2, 8427645), (3, 5618430), (5, 3371058), (6, 2809215), (9, 1872810), (10, 1685529), (15, 1123686), (18, 936405), (27, 624270), (30, 561843), (45, 374562), (54, 312135), (81, 208090), (90, 187281), (135, 124854), (162, 104045), (270, 62427), (405, 41618), (810, 20809)]