13440020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61091}}^1$

素因数の和:61111

約数の個数: 24

約数和(自身を含む): 30790368

約数和(自身を除く): 17350348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 61091, 122182, 244364, 305455, 610910, 672001, 1221820, 1344002, 2688004, 3360005, 6720010, 13440020]

約数ペア:

[(1, 13440020), (2, 6720010), (4, 3360005), (5, 2688004), (10, 1344002), (11, 1221820), (20, 672001), (22, 610910), (44, 305455), (55, 244364), (110, 122182), (220, 61091)]