20025975

素因数分解:

$3^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{1949}}^1$

素因数の和:2099

約数の個数: 24

約数和(自身を含む): 33368400

約数和(自身を除く): 13342425

約数列:

[1, 3, 5, 15, 25, 75, 137, 411, 685, 1949, 2055, 3425, 5847, 9745, 10275, 29235, 48725, 146175, 267013, 801039, 1335065, 4005195, 6675325, 20025975]

約数ペア:

[(1, 20025975), (3, 6675325), (5, 4005195), (15, 1335065), (25, 801039), (75, 267013), (137, 146175), (411, 48725), (685, 29235), (1949, 10275), (2055, 9745), (3425, 5847)]