20757315

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{29443}}^1$

素因数の和:29498

約数の個数: 16

約数和(自身を含む): 33919488

約数和(自身を除く): 13162173

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 29443, 88329, 147215, 441645, 1383821, 4151463, 6919105, 20757315]

約数ペア:

[(1, 20757315), (3, 6919105), (5, 4151463), (15, 1383821), (47, 441645), (141, 147215), (235, 88329), (705, 29443)]