20135458

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 35831808

約数和(自身を除く): 15696350

約数列:

[1, 2, 7, 14, 47, 71, 94, 142, 329, 431, 497, 658, 862, 994, 3017, 3337, 6034, 6674, 20257, 23359, 30601, 40514, 46718, 61202, 141799, 214207, 283598, 428414, 1438247, 2876494, 10067729, 20135458]

約数ペア:

[(1, 20135458), (2, 10067729), (7, 2876494), (14, 1438247), (47, 428414), (71, 283598), (94, 214207), (142, 141799), (329, 61202), (431, 46718), (497, 40514), (658, 30601), (862, 23359), (994, 20257), (3017, 6674), (3337, 6034)]