20407728

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{38651}}^1$

素因数の和:38673

約数の個数: 40

約数和(自身を含む): 57514176

約数和(自身を除く): 37106448

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 528, 38651, 77302, 115953, 154604, 231906, 309208, 425161, 463812, 618416, 850322, 927624, 1275483, 1700644, 1855248, 2550966, 3401288, 5101932, 6802576, 10203864, 20407728]

約数ペア:

[(1, 20407728), (2, 10203864), (3, 6802576), (4, 5101932), (6, 3401288), (8, 2550966), (11, 1855248), (12, 1700644), (16, 1275483), (22, 927624), (24, 850322), (33, 618416), (44, 463812), (48, 425161), (66, 309208), (88, 231906), (132, 154604), (176, 115953), (264, 77302), (528, 38651)]