20670768

素因数分解:

$2^4\times 3^3\times {\mathrm{59}}^1\times {\mathrm{811}}^1$

素因数の和:887

約数の個数: 80

約数和(自身を含む): 60412800

約数和(自身を除く): 39742032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 59, 72, 108, 118, 144, 177, 216, 236, 354, 432, 472, 531, 708, 811, 944, 1062, 1416, 1593, 1622, 2124, 2433, 2832, 3186, 3244, 4248, 4866, 6372, 6488, 7299, 8496, 9732, 12744, 12976, 14598, 19464, 21897, 25488, 29196, 38928, 43794, 47849, 58392, 87588, 95698, 116784, 143547, 175176, 191396, 287094, 350352, 382792, 430641, 574188, 765584, 861282, 1148376, 1291923, 1722564, 2296752, 2583846, 3445128, 5167692, 6890256, 10335384, 20670768]

約数ペア:

[(1, 20670768), (2, 10335384), (3, 6890256), (4, 5167692), (6, 3445128), (8, 2583846), (9, 2296752), (12, 1722564), (16, 1291923), (18, 1148376), (24, 861282), (27, 765584), (36, 574188), (48, 430641), (54, 382792), (59, 350352), (72, 287094), (108, 191396), (118, 175176), (144, 143547), (177, 116784), (216, 95698), (236, 87588), (354, 58392), (432, 47849), (472, 43794), (531, 38928), (708, 29196), (811, 25488), (944, 21897), (1062, 19464), (1416, 14598), (1593, 12976), (1622, 12744), (2124, 9732), (2433, 8496), (2832, 7299), (3186, 6488), (3244, 6372), (4248, 4866)]