20998912

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{7457}}^1$

素因数の和:7484

約数の個数: 36

約数和(自身を含む): 45732456

約数和(自身を除く): 24733544

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 704, 1408, 2816, 7457, 14914, 29828, 59656, 82027, 119312, 164054, 238624, 328108, 477248, 656216, 954496, 1312432, 1908992, 2624864, 5249728, 10499456, 20998912]

約数ペア:

[(1, 20998912), (2, 10499456), (4, 5249728), (8, 2624864), (11, 1908992), (16, 1312432), (22, 954496), (32, 656216), (44, 477248), (64, 328108), (88, 238624), (128, 164054), (176, 119312), (256, 82027), (352, 59656), (704, 29828), (1408, 14914), (2816, 7457)]