20709986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{20029}}^1$

素因数の和:20089

約数の個数: 16

約数和(自身を含む): 34611840

約数和(自身を除く): 13901854

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 20029, 40058, 220319, 440638, 941363, 1882726, 10354993, 20709986]

約数ペア:

[(1, 20709986), (2, 10354993), (11, 1882726), (22, 941363), (47, 440638), (94, 220319), (517, 40058), (1034, 20029)]