220123508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{135211}}^1$

素因数の和:135263

約数の個数: 24

約数和(自身を含む): 431596704

約数和(自身を除く): 211473196

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 135211, 270422, 540844, 1487321, 2974642, 5002807, 5949284, 10005614, 20011228, 55030877, 110061754, 220123508]

約数ペア:

[(1, 220123508), (2, 110061754), (4, 55030877), (11, 20011228), (22, 10005614), (37, 5949284), (44, 5002807), (74, 2974642), (148, 1487321), (407, 540844), (814, 270422), (1628, 135211)]