20566490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1283}}^1$

素因数の和:1526

約数の個数: 32

約数和(自身を含む): 42526080

約数和(自身を除く): 21959590

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 229, 458, 1145, 1283, 1603, 2290, 2566, 3206, 6415, 8015, 8981, 12830, 16030, 17962, 44905, 89810, 293807, 587614, 1469035, 2056649, 2938070, 4113298, 10283245, 20566490]

約数ペア:

[(1, 20566490), (2, 10283245), (5, 4113298), (7, 2938070), (10, 2056649), (14, 1469035), (35, 587614), (70, 293807), (229, 89810), (458, 44905), (1145, 17962), (1283, 16030), (1603, 12830), (2290, 8981), (2566, 8015), (3206, 6415)]