20462975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{797}}^1$

素因数の和:899

約数の個数: 24

約数和(自身を含む): 27706560

約数和(自身を除く): 7243585

約数列:

[1, 5, 13, 25, 65, 79, 325, 395, 797, 1027, 1975, 3985, 5135, 10361, 19925, 25675, 51805, 62963, 259025, 314815, 818519, 1574075, 4092595, 20462975]

約数ペア:

[(1, 20462975), (5, 4092595), (13, 1574075), (25, 818519), (65, 314815), (79, 259025), (325, 62963), (395, 51805), (797, 25675), (1027, 19925), (1975, 10361), (3985, 5135)]