20798720108

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{305863531}}^1$

素因数の和:305863552

約数の個数: 12

約数和(自身を含む): 38538805032

約数和(自身を除く): 17740084924

約数列:

[1, 2, 4, 17, 34, 68, 305863531, 611727062, 1223454124, 5199680027, 10399360054, 20798720108]

約数ペア:

[(1, 20798720108), (2, 10399360054), (4, 5199680027), (17, 1223454124), (34, 611727062), (68, 305863531)]