20869728

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19763}}^1$

素因数の和:19787

約数の個数: 48

約数和(自身を含む): 59766336

約数和(自身を除く): 38896608

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, 19763, 39526, 59289, 79052, 118578, 158104, 217393, 237156, 316208, 434786, 474312, 632416, 652179, 869572, 948624, 1304358, 1739144, 1897248, 2608716, 3478288, 5217432, 6956576, 10434864, 20869728]

約数ペア:

[(1, 20869728), (2, 10434864), (3, 6956576), (4, 5217432), (6, 3478288), (8, 2608716), (11, 1897248), (12, 1739144), (16, 1304358), (22, 948624), (24, 869572), (32, 652179), (33, 632416), (44, 474312), (48, 434786), (66, 316208), (88, 237156), (96, 217393), (132, 158104), (176, 118578), (264, 79052), (352, 59289), (528, 39526), (1056, 19763)]