20157615

素因数分解:

$3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4349}}^1$

素因数の和:4463

約数の個数: 24

約数和(自身を含む): 35287200

約数和(自身を除く): 15129585

約数列:

[1, 3, 5, 9, 15, 45, 103, 309, 515, 927, 1545, 4349, 4635, 13047, 21745, 39141, 65235, 195705, 447947, 1343841, 2239735, 4031523, 6719205, 20157615]

約数ペア:

[(1, 20157615), (3, 6719205), (5, 4031523), (9, 2239735), (15, 1343841), (45, 447947), (103, 195705), (309, 65235), (515, 39141), (927, 21745), (1545, 13047), (4349, 4635)]