20198403778

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{7107109}}^1$

素因数の和:7107154

約数の個数: 24

約数和(自身を含む): 36459474300

約数和(自身を除く): 16261070522

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 203, 406, 1421, 2842, 7107109, 14214218, 49749763, 99499526, 206106161, 348248341, 412212322, 696496682, 1442743127, 2885486254, 10099201889, 20198403778]

約数ペア:

[(1, 20198403778), (2, 10099201889), (7, 2885486254), (14, 1442743127), (29, 696496682), (49, 412212322), (58, 348248341), (98, 206106161), (203, 99499526), (406, 49749763), (1421, 14214218), (2842, 7107109)]