13686020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40253}}^1$

素因数の和:40279

約数の個数: 24

約数和(自身を含む): 30432024

約数和(自身を除く): 16746004

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 40253, 80506, 161012, 201265, 402530, 684301, 805060, 1368602, 2737204, 3421505, 6843010, 13686020]

約数ペア:

[(1, 13686020), (2, 6843010), (4, 3421505), (5, 2737204), (10, 1368602), (17, 805060), (20, 684301), (34, 402530), (68, 201265), (85, 161012), (170, 80506), (340, 40253)]