20512506591

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{15131}}^1$

素因数の和:15324

約数の個数: 48

約数和(自身を含む): 31575278592

約数和(自身を除く): 11062772001

約数列:

[1, 3, 9, 31, 43, 93, 113, 129, 279, 339, 387, 1017, 1333, 3503, 3999, 4859, 10509, 11997, 14577, 15131, 31527, 43731, 45393, 136179, 150629, 451887, 469061, 650633, 1355661, 1407183, 1709803, 1951899, 4221549, 5129409, 5855697, 15388227, 20169623, 53003893, 60508869, 73521529, 159011679, 181526607, 220564587, 477035037, 661693761, 2279167399, 6837502197, 20512506591]

約数ペア:

[(1, 20512506591), (3, 6837502197), (9, 2279167399), (31, 661693761), (43, 477035037), (93, 220564587), (113, 181526607), (129, 159011679), (279, 73521529), (339, 60508869), (387, 53003893), (1017, 20169623), (1333, 15388227), (3503, 5855697), (3999, 5129409), (4859, 4221549), (10509, 1951899), (11997, 1709803), (14577, 1407183), (15131, 1355661), (31527, 650633), (43731, 469061), (45393, 451887), (136179, 150629)]