13878220

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6737}}^1$

素因数の和:6849

約数の個数: 24

約数和(自身を含む): 29431584

約数和(自身を除く): 15553364

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 6737, 13474, 26948, 33685, 67370, 134740, 693911, 1387822, 2775644, 3469555, 6939110, 13878220]

約数ペア:

[(1, 13878220), (2, 6939110), (4, 3469555), (5, 2775644), (10, 1387822), (20, 693911), (103, 134740), (206, 67370), (412, 33685), (515, 26948), (1030, 13474), (2060, 6737)]