20175074997

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{7939817}}^1$

素因数の和:7939849

約数の個数: 24

約数和(自身を含む): 33791865408

約数和(自身を除く): 13616790411

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 7939817, 23819451, 55578719, 87337987, 166736157, 262013961, 611365909, 960717857, 1834097727, 2882153571, 6725024999, 20175074997]

約数ペア:

[(1, 20175074997), (3, 6725024999), (7, 2882153571), (11, 1834097727), (21, 960717857), (33, 611365909), (77, 262013961), (121, 166736157), (231, 87337987), (363, 55578719), (847, 23819451), (2541, 7939817)]