20342020

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{17239}}^1$

素因数の和:17307

約数の個数: 24

約数和(自身を含む): 43444800

約数和(自身を除く): 23102780

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 17239, 34478, 68956, 86195, 172390, 344780, 1017101, 2034202, 4068404, 5085505, 10171010, 20342020]

約数ペア:

[(1, 20342020), (2, 10171010), (4, 5085505), (5, 4068404), (10, 2034202), (20, 1017101), (59, 344780), (118, 172390), (236, 86195), (295, 68956), (590, 34478), (1180, 17239)]