15222020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{69191}}^1$

素因数の和:69211

約数の個数: 24

約数和(自身を含む): 34872768

約数和(自身を除く): 19650748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 69191, 138382, 276764, 345955, 691910, 761101, 1383820, 1522202, 3044404, 3805505, 7611010, 15222020]

約数ペア:

[(1, 15222020), (2, 7611010), (4, 3805505), (5, 3044404), (10, 1522202), (11, 1383820), (20, 761101), (22, 691910), (44, 345955), (55, 276764), (110, 138382), (220, 69191)]