2220020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10091}}^1$

素因数の和:10111

約数の個数: 24

約数和(自身を含む): 5086368

約数和(自身を除く): 2866348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 10091, 20182, 40364, 50455, 100910, 111001, 201820, 222002, 444004, 555005, 1110010, 2220020]

約数ペア:

[(1, 2220020), (2, 1110010), (4, 555005), (5, 444004), (10, 222002), (11, 201820), (20, 111001), (22, 100910), (44, 50455), (55, 40364), (110, 20182), (220, 10091)]