20147375

素因数分解:

$5^3\times {\mathrm{89}}^1\times {\mathrm{1811}}^1$

素因数の和:1915

約数の個数: 16

約数和(自身を含む): 25440480

約数和(自身を除く): 5293105

約数列:

[1, 5, 25, 89, 125, 445, 1811, 2225, 9055, 11125, 45275, 161179, 226375, 805895, 4029475, 20147375]

約数ペア:

[(1, 20147375), (5, 4029475), (25, 805895), (89, 226375), (125, 161179), (445, 45275), (1811, 11125), (2225, 9055)]