201627220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{141991}}^1$

素因数の和:142071

約数の個数: 24

約数和(自身を含む): 429383808

約数和(自身を除く): 227756588

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 141991, 283982, 567964, 709955, 1419910, 2839820, 10081361, 20162722, 40325444, 50406805, 100813610, 201627220]

約数ペア:

[(1, 201627220), (2, 100813610), (4, 50406805), (5, 40325444), (10, 20162722), (20, 10081361), (71, 2839820), (142, 1419910), (284, 709955), (355, 567964), (710, 283982), (1420, 141991)]