20820566

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{941}}^1$

素因数の和:1016

約数の個数: 32

約数和(自身を含む): 36082368

約数和(自身を除く): 15261802

約数列:

[1, 2, 13, 23, 26, 37, 46, 74, 299, 481, 598, 851, 941, 962, 1702, 1882, 11063, 12233, 21643, 22126, 24466, 34817, 43286, 69634, 281359, 452621, 562718, 800791, 905242, 1601582, 10410283, 20820566]

約数ペア:

[(1, 20820566), (2, 10410283), (13, 1601582), (23, 905242), (26, 800791), (37, 562718), (46, 452621), (74, 281359), (299, 69634), (481, 43286), (598, 34817), (851, 24466), (941, 22126), (962, 21643), (1702, 12233), (1882, 11063)]