2020201918

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{503}}^1\times {\mathrm{12473}}^1$

素因数の和:13008

約数の個数: 32

約数和(自身を含む): 3621252096

約数和(自身を除く): 1601050178

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 503, 1006, 3521, 7042, 11569, 12473, 23138, 24946, 80983, 87311, 161966, 174622, 286879, 573758, 2008153, 4016306, 6273919, 12547838, 43917433, 87834866, 144300137, 288600274, 1010100959, 2020201918]

約数ペア:

[(1, 2020201918), (2, 1010100959), (7, 288600274), (14, 144300137), (23, 87834866), (46, 43917433), (161, 12547838), (322, 6273919), (503, 4016306), (1006, 2008153), (3521, 573758), (7042, 286879), (11569, 174622), (12473, 161966), (23138, 87311), (24946, 80983)]