20747762

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20873}}^1$

素因数の和:20953

約数の個数: 16

約数和(自身を含む): 36070272

約数和(自身を除く): 15322510

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 20873, 41746, 146111, 292222, 1481983, 2963966, 10373881, 20747762]

約数ペア:

[(1, 20747762), (2, 10373881), (7, 2963966), (14, 1481983), (71, 292222), (142, 146111), (497, 41746), (994, 20873)]