20900994

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{541}}^1$

素因数の和:730

約数の個数: 32

約数和(自身を含む): 43082496

約数和(自身を除く): 22181502

約数列:

[1, 2, 3, 6, 47, 94, 137, 141, 274, 282, 411, 541, 822, 1082, 1623, 3246, 6439, 12878, 19317, 25427, 38634, 50854, 74117, 76281, 148234, 152562, 222351, 444702, 3483499, 6966998, 10450497, 20900994]

約数ペア:

[(1, 20900994), (2, 10450497), (3, 6966998), (6, 3483499), (47, 444702), (94, 222351), (137, 152562), (141, 148234), (274, 76281), (282, 74117), (411, 50854), (541, 38634), (822, 25427), (1082, 19317), (1623, 12878), (3246, 6439)]