2990020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13591}}^1$

素因数の和:13611

約数の個数: 24

約数和(自身を含む): 6850368

約数和(自身を除く): 3860348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 13591, 27182, 54364, 67955, 135910, 149501, 271820, 299002, 598004, 747505, 1495010, 2990020]

約数ペア:

[(1, 2990020), (2, 1495010), (4, 747505), (5, 598004), (10, 299002), (11, 271820), (20, 149501), (22, 135910), (44, 67955), (55, 54364), (110, 27182), (220, 13591)]