20317262

素因数分解:

$2^1\times 7^4\times {\mathrm{4231}}^1$

素因数の和:4261

約数の個数: 20

約数和(自身を含む): 35561496

約数和(自身を除く): 15244234

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 4231, 4802, 8462, 29617, 59234, 207319, 414638, 1451233, 2902466, 10158631, 20317262]

約数ペア:

[(1, 20317262), (2, 10158631), (7, 2902466), (14, 1451233), (49, 414638), (98, 207319), (343, 59234), (686, 29617), (2401, 8462), (4231, 4802)]