3780020

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{571}}^1$

素因数の和:911

約数の個数: 24

約数和(自身を含む): 7975968

約数和(自身を除く): 4195948

約数列:

[1, 2, 4, 5, 10, 20, 331, 571, 662, 1142, 1324, 1655, 2284, 2855, 3310, 5710, 6620, 11420, 189001, 378002, 756004, 945005, 1890010, 3780020]

約数ペア:

[(1, 3780020), (2, 1890010), (4, 945005), (5, 756004), (10, 378002), (20, 189001), (331, 11420), (571, 6620), (662, 5710), (1142, 3310), (1324, 2855), (1655, 2284)]