20386870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1283}}^1$

素因数の和:1524

約数の個数: 32

約数和(自身を含む): 42156288

約数和(自身を除く): 21769418

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 227, 454, 1135, 1283, 1589, 2270, 2566, 3178, 6415, 7945, 8981, 12830, 15890, 17962, 44905, 89810, 291241, 582482, 1456205, 2038687, 2912410, 4077374, 10193435, 20386870]

約数ペア:

[(1, 20386870), (2, 10193435), (5, 4077374), (7, 2912410), (10, 2038687), (14, 1456205), (35, 582482), (70, 291241), (227, 89810), (454, 44905), (1135, 17962), (1283, 15890), (1589, 12830), (2270, 8981), (2566, 7945), (3178, 6415)]