20529825

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{9439}}^1$

素因数の和:9481

約数の個数: 24

約数和(自身を含む): 35116800

約数和(自身を除く): 14586975

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 9439, 28317, 47195, 141585, 235975, 273731, 707925, 821193, 1368655, 4105965, 6843275, 20529825]

約数ペア:

[(1, 20529825), (3, 6843275), (5, 4105965), (15, 1368655), (25, 821193), (29, 707925), (75, 273731), (87, 235975), (145, 141585), (435, 47195), (725, 28317), (2175, 9439)]