20216325

素因数分解:

$3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{2617}}^1$

素因数の和:2733

約数の個数: 24

約数和(自身を含む): 33761728

約数和(自身を除く): 13545403

約数列:

[1, 3, 5, 15, 25, 75, 103, 309, 515, 1545, 2575, 2617, 7725, 7851, 13085, 39255, 65425, 196275, 269551, 808653, 1347755, 4043265, 6738775, 20216325]

約数ペア:

[(1, 20216325), (3, 6738775), (5, 4043265), (15, 1347755), (25, 808653), (75, 269551), (103, 196275), (309, 65425), (515, 39255), (1545, 13085), (2575, 7851), (2617, 7725)]