20809790799

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1063}}^1\times {\mathrm{40531}}^1$

素因数の和:41627

約数の個数: 32

約数和(自身を含む): 33120804864

約数和(自身を除く): 12311014065

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 1063, 3189, 7441, 22323, 24449, 40531, 73347, 121593, 171143, 283717, 513429, 851151, 932213, 2796639, 6525491, 19576473, 43084453, 129253359, 301591171, 904773513, 990942419, 2972827257, 6936596933, 20809790799]

約数ペア:

[(1, 20809790799), (3, 6936596933), (7, 2972827257), (21, 990942419), (23, 904773513), (69, 301591171), (161, 129253359), (483, 43084453), (1063, 19576473), (3189, 6525491), (7441, 2796639), (22323, 932213), (24449, 851151), (40531, 513429), (73347, 283717), (121593, 171143)]