20172745908

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11435797}}^1$

素因数の和:11435821

約数の個数: 54

約数和(自身を含む): 59317484226

約数和(自身を除く): 39144738318

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 11435797, 22871594, 34307391, 45743188, 68614782, 80050579, 102922173, 137229564, 160101158, 205844346, 240151737, 320202316, 411688692, 480303474, 560354053, 720455211, 960606948, 1120708106, 1440910422, 1681062159, 2241416212, 2881820844, 3362124318, 5043186477, 6724248636, 10086372954, 20172745908]

約数ペア:

[(1, 20172745908), (2, 10086372954), (3, 6724248636), (4, 5043186477), (6, 3362124318), (7, 2881820844), (9, 2241416212), (12, 1681062159), (14, 1440910422), (18, 1120708106), (21, 960606948), (28, 720455211), (36, 560354053), (42, 480303474), (49, 411688692), (63, 320202316), (84, 240151737), (98, 205844346), (126, 160101158), (147, 137229564), (196, 102922173), (252, 80050579), (294, 68614782), (441, 45743188), (588, 34307391), (882, 22871594), (1764, 11435797)]