20553258

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2857}}^1$

素因数の和:2982

約数の個数: 32

約数和(自身を含む): 45270720

約数和(自身を除く): 24717462

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 109, 218, 327, 654, 1199, 2398, 2857, 3597, 5714, 7194, 8571, 17142, 31427, 62854, 94281, 188562, 311413, 622826, 934239, 1868478, 3425543, 6851086, 10276629, 20553258]

約数ペア:

[(1, 20553258), (2, 10276629), (3, 6851086), (6, 3425543), (11, 1868478), (22, 934239), (33, 622826), (66, 311413), (109, 188562), (218, 94281), (327, 62854), (654, 31427), (1199, 17142), (2398, 8571), (2857, 7194), (3597, 5714)]