20347791009

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10647719}}^1$

素因数の和:10647749

約数の個数: 24

約数和(自身を含む): 33987522240

約数和(自身を除く): 13639731231

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 10647719, 31943157, 74534033, 138420347, 223602099, 415261041, 521738231, 968942429, 1565214693, 2906827287, 6782597003, 20347791009]

約数ペア:

[(1, 20347791009), (3, 6782597003), (7, 2906827287), (13, 1565214693), (21, 968942429), (39, 521738231), (49, 415261041), (91, 223602099), (147, 138420347), (273, 74534033), (637, 31943157), (1911, 10647719)]