12450020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{56591}}^1$

素因数の和:56611

約数の個数: 24

約数和(自身を含む): 28522368

約数和(自身を除く): 16072348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 56591, 113182, 226364, 282955, 565910, 622501, 1131820, 1245002, 2490004, 3112505, 6225010, 12450020]

約数ペア:

[(1, 12450020), (2, 6225010), (4, 3112505), (5, 2490004), (10, 1245002), (11, 1131820), (20, 622501), (22, 565910), (44, 282955), (55, 226364), (110, 113182), (220, 56591)]