20026990

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{479}}^1$

素因数の和:636

約数の個数: 32

約数和(自身を含む): 37428480

約数和(自身を除く): 17401490

約数列:

[1, 2, 5, 10, 37, 74, 113, 185, 226, 370, 479, 565, 958, 1130, 2395, 4181, 4790, 8362, 17723, 20905, 35446, 41810, 54127, 88615, 108254, 177230, 270635, 541270, 2002699, 4005398, 10013495, 20026990]

約数ペア:

[(1, 20026990), (2, 10013495), (5, 4005398), (10, 2002699), (37, 541270), (74, 270635), (113, 177230), (185, 108254), (226, 88615), (370, 54127), (479, 41810), (565, 35446), (958, 20905), (1130, 17723), (2395, 8362), (4181, 4790)]