20203778

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{7109}}^1$

素因数の和:7154

約数の個数: 24

約数和(自身を含む): 36474300

約数和(自身を除く): 16270522

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 203, 406, 1421, 2842, 7109, 14218, 49763, 99526, 206161, 348341, 412322, 696682, 1443127, 2886254, 10101889, 20203778]

約数ペア:

[(1, 20203778), (2, 10101889), (7, 2886254), (14, 1443127), (29, 696682), (49, 412322), (58, 348341), (98, 206161), (203, 99526), (406, 49763), (1421, 14218), (2842, 7109)]