20291056

素因数分解:

$2^4\times {\mathrm{571}}^1\times {\mathrm{2221}}^1$

素因数の和:2800

約数の個数: 20

約数和(自身を含む): 39400504

約数和(自身を除く): 19109448

約数列:

[1, 2, 4, 8, 16, 571, 1142, 2221, 2284, 4442, 4568, 8884, 9136, 17768, 35536, 1268191, 2536382, 5072764, 10145528, 20291056]

約数ペア:

[(1, 20291056), (2, 10145528), (4, 5072764), (8, 2536382), (16, 1268191), (571, 35536), (1142, 17768), (2221, 9136), (2284, 8884), (4442, 4568)]