22707220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15991}}^1$

素因数の和:16071

約数の個数: 24

約数和(自身を含む): 48359808

約数和(自身を除く): 25652588

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 15991, 31982, 63964, 79955, 159910, 319820, 1135361, 2270722, 4541444, 5676805, 11353610, 22707220]

約数ペア:

[(1, 22707220), (2, 11353610), (4, 5676805), (5, 4541444), (10, 2270722), (20, 1135361), (71, 319820), (142, 159910), (284, 79955), (355, 63964), (710, 31982), (1420, 15991)]