20121424540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1297}}^1\times {\mathrm{110813}}^1$

素因数の和:112126

約数の個数: 48

約数和(自身を含む): 48329088192

約数和(自身を除く): 28207663652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1297, 2594, 5188, 6485, 9079, 12970, 18158, 25940, 36316, 45395, 90790, 110813, 181580, 221626, 443252, 554065, 775691, 1108130, 1551382, 2216260, 3102764, 3878455, 7756910, 15513820, 143724461, 287448922, 574897844, 718622305, 1006071227, 1437244610, 2012142454, 2874489220, 4024284908, 5030356135, 10060712270, 20121424540]

約数ペア:

[(1, 20121424540), (2, 10060712270), (4, 5030356135), (5, 4024284908), (7, 2874489220), (10, 2012142454), (14, 1437244610), (20, 1006071227), (28, 718622305), (35, 574897844), (70, 287448922), (140, 143724461), (1297, 15513820), (2594, 7756910), (5188, 3878455), (6485, 3102764), (9079, 2216260), (12970, 1551382), (18158, 1108130), (25940, 775691), (36316, 554065), (45395, 443252), (90790, 221626), (110813, 181580)]