20821152

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19717}}^1$

素因数の和:19741

約数の個数: 48

約数和(自身を含む): 59627232

約数和(自身を除く): 38806080

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 132, 176, 264, 352, 528, 1056, 19717, 39434, 59151, 78868, 118302, 157736, 216887, 236604, 315472, 433774, 473208, 630944, 650661, 867548, 946416, 1301322, 1735096, 1892832, 2602644, 3470192, 5205288, 6940384, 10410576, 20821152]

約数ペア:

[(1, 20821152), (2, 10410576), (3, 6940384), (4, 5205288), (6, 3470192), (8, 2602644), (11, 1892832), (12, 1735096), (16, 1301322), (22, 946416), (24, 867548), (32, 650661), (33, 630944), (44, 473208), (48, 433774), (66, 315472), (88, 236604), (96, 216887), (132, 157736), (176, 118302), (264, 78868), (352, 59151), (528, 39434), (1056, 19717)]