20195060

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{3929}}^1$

素因数の和:4195

約数の個数: 24

約数和(自身を含む): 42585480

約数和(自身を除く): 22390420

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 3929, 5140, 7858, 15716, 19645, 39290, 78580, 1009753, 2019506, 4039012, 5048765, 10097530, 20195060]

約数ペア:

[(1, 20195060), (2, 10097530), (4, 5048765), (5, 4039012), (10, 2019506), (20, 1009753), (257, 78580), (514, 39290), (1028, 19645), (1285, 15716), (2570, 7858), (3929, 5140)]