20318325

素因数分解:

$3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{1949}}^1$

素因数の和:2101

約数の個数: 24

約数和(自身を含む): 33852000

約数和(自身を除く): 13533675

約数列:

[1, 3, 5, 15, 25, 75, 139, 417, 695, 1949, 2085, 3475, 5847, 9745, 10425, 29235, 48725, 146175, 270911, 812733, 1354555, 4063665, 6772775, 20318325]

約数ペア:

[(1, 20318325), (3, 6772775), (5, 4063665), (15, 1354555), (25, 812733), (75, 270911), (139, 146175), (417, 48725), (695, 29235), (1949, 10425), (2085, 9745), (3475, 5847)]