20258644

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{7459}}^1$

素因数の和:7567

約数の個数: 24

約数和(自身を含む): 40940480

約数和(自身を除く): 20681836

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 388, 679, 1358, 2716, 7459, 14918, 29836, 52213, 104426, 208852, 723523, 1447046, 2894092, 5064661, 10129322, 20258644]

約数ペア:

[(1, 20258644), (2, 10129322), (4, 5064661), (7, 2894092), (14, 1447046), (28, 723523), (97, 208852), (194, 104426), (388, 52213), (679, 29836), (1358, 14918), (2716, 7459)]