20531715

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{29123}}^1$

素因数の和:29178

約数の個数: 16

約数和(自身を含む): 33550848

約数和(自身を除く): 13019133

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 29123, 87369, 145615, 436845, 1368781, 4106343, 6843905, 20531715]

約数ペア:

[(1, 20531715), (3, 6843905), (5, 4106343), (15, 1368781), (47, 436845), (141, 145615), (235, 87369), (705, 29123)]