20781708

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{36847}}^1$

素因数の和:36901

約数の個数: 24

約数和(自身を含む): 49523712

約数和(自身を除く): 28742004

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 141, 188, 282, 564, 36847, 73694, 110541, 147388, 221082, 442164, 1731809, 3463618, 5195427, 6927236, 10390854, 20781708]

約数ペア:

[(1, 20781708), (2, 10390854), (3, 6927236), (4, 5195427), (6, 3463618), (12, 1731809), (47, 442164), (94, 221082), (141, 147388), (188, 110541), (282, 73694), (564, 36847)]