16720390

素因数分解:

$2^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{9341}}^1$

素因数の和:9527

約数の個数: 16

約数和(自身を含む): 30268080

約数和(自身を除く): 13547690

約数列:

[1, 2, 5, 10, 179, 358, 895, 1790, 9341, 18682, 46705, 93410, 1672039, 3344078, 8360195, 16720390]

約数ペア:

[(1, 16720390), (2, 8360195), (5, 3344078), (10, 1672039), (179, 93410), (358, 46705), (895, 18682), (1790, 9341)]