13686620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16691}}^1$

素因数の和:16741

約数の個数: 24

約数和(自身を含む): 29444688

約数和(自身を除く): 15758068

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 16691, 33382, 66764, 83455, 166910, 333820, 684331, 1368662, 2737324, 3421655, 6843310, 13686620]

約数ペア:

[(1, 13686620), (2, 6843310), (4, 3421655), (5, 2737324), (10, 1368662), (20, 684331), (41, 333820), (82, 166910), (164, 83455), (205, 66764), (410, 33382), (820, 16691)]