20527975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{761}}^1$

素因数の和:867

約数の個数: 24

約数和(自身を含む): 27779472

約数和(自身を除く): 7251497

約数列:

[1, 5, 13, 25, 65, 83, 325, 415, 761, 1079, 2075, 3805, 5395, 9893, 19025, 26975, 49465, 63163, 247325, 315815, 821119, 1579075, 4105595, 20527975]

約数ペア:

[(1, 20527975), (5, 4105595), (13, 1579075), (25, 821119), (65, 315815), (83, 247325), (325, 63163), (415, 49465), (761, 26975), (1079, 19025), (2075, 9893), (3805, 5395)]