20659867488

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{5518127}}^1$

素因数の和:5518156

約数の個数: 72

約数和(自身を含む): 63270855648

約数和(自身を除く): 42610988160

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 5518127, 11036254, 16554381, 22072508, 33108762, 44145016, 49663143, 66217524, 71735651, 88290032, 99326286, 132435048, 143471302, 176580064, 198652572, 215206953, 264870096, 286942604, 397305144, 430413906, 529740192, 573885208, 645620859, 794610288, 860827812, 1147770416, 1291241718, 1589220576, 1721655624, 2295540832, 2582483436, 3443311248, 5164966872, 6886622496, 10329933744, 20659867488]

約数ペア:

[(1, 20659867488), (2, 10329933744), (3, 6886622496), (4, 5164966872), (6, 3443311248), (8, 2582483436), (9, 2295540832), (12, 1721655624), (13, 1589220576), (16, 1291241718), (18, 1147770416), (24, 860827812), (26, 794610288), (32, 645620859), (36, 573885208), (39, 529740192), (48, 430413906), (52, 397305144), (72, 286942604), (78, 264870096), (96, 215206953), (104, 198652572), (117, 176580064), (144, 143471302), (156, 132435048), (208, 99326286), (234, 88290032), (288, 71735651), (312, 66217524), (416, 49663143), (468, 44145016), (624, 33108762), (936, 22072508), (1248, 16554381), (1872, 11036254), (3744, 5518127)]