20718258

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{6679}}^1$

素因数の和:6742

約数の個数: 32

約数和(自身を含む): 46172160

約数和(自身を除く): 25453902

約数列:

[1, 2, 3, 6, 11, 22, 33, 47, 66, 94, 141, 282, 517, 1034, 1551, 3102, 6679, 13358, 20037, 40074, 73469, 146938, 220407, 313913, 440814, 627826, 941739, 1883478, 3453043, 6906086, 10359129, 20718258]

約数ペア:

[(1, 20718258), (2, 10359129), (3, 6906086), (6, 3453043), (11, 1883478), (22, 941739), (33, 627826), (47, 440814), (66, 313913), (94, 220407), (141, 146938), (282, 73469), (517, 40074), (1034, 20037), (1551, 13358), (3102, 6679)]