20935728

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13217}}^1$

素因数の和:13242

約数の個数: 60

約数和(自身を含む): 63922248

約数和(自身を除く): 42986520

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 396, 528, 792, 1584, 13217, 26434, 39651, 52868, 79302, 105736, 118953, 145387, 158604, 211472, 237906, 290774, 317208, 436161, 475812, 581548, 634416, 872322, 951624, 1163096, 1308483, 1744644, 1903248, 2326192, 2616966, 3489288, 5233932, 6978576, 10467864, 20935728]

約数ペア:

[(1, 20935728), (2, 10467864), (3, 6978576), (4, 5233932), (6, 3489288), (8, 2616966), (9, 2326192), (11, 1903248), (12, 1744644), (16, 1308483), (18, 1163096), (22, 951624), (24, 872322), (33, 634416), (36, 581548), (44, 475812), (48, 436161), (66, 317208), (72, 290774), (88, 237906), (99, 211472), (132, 158604), (144, 145387), (176, 118953), (198, 105736), (264, 79302), (396, 52868), (528, 39651), (792, 26434), (1584, 13217)]