19705740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{328429}}^1$

素因数の和:328441

約数の個数: 24

約数和(自身を含む): 55176240

約数和(自身を除く): 35470500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 328429, 656858, 985287, 1313716, 1642145, 1970574, 3284290, 3941148, 4926435, 6568580, 9852870, 19705740]

約数ペア:

[(1, 19705740), (2, 9852870), (3, 6568580), (4, 4926435), (5, 3941148), (6, 3284290), (10, 1970574), (12, 1642145), (15, 1313716), (20, 985287), (30, 656858), (60, 328429)]