20623328

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1429}}^1$

素因数の和:1491

約数の個数: 48

約数和(自身を含む): 45405360

約数和(自身を除く): 24782032

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 41, 44, 82, 88, 164, 176, 328, 352, 451, 656, 902, 1312, 1429, 1804, 2858, 3608, 5716, 7216, 11432, 14432, 15719, 22864, 31438, 45728, 58589, 62876, 117178, 125752, 234356, 251504, 468712, 503008, 644479, 937424, 1288958, 1874848, 2577916, 5155832, 10311664, 20623328]

約数ペア:

[(1, 20623328), (2, 10311664), (4, 5155832), (8, 2577916), (11, 1874848), (16, 1288958), (22, 937424), (32, 644479), (41, 503008), (44, 468712), (82, 251504), (88, 234356), (164, 125752), (176, 117178), (328, 62876), (352, 58589), (451, 45728), (656, 31438), (902, 22864), (1312, 15719), (1429, 14432), (1804, 11432), (2858, 7216), (3608, 5716)]