20177177785

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1\times {\mathrm{3803}}^1$

素因数の和:4173

約数の個数: 32

約数和(自身を含む): 25083758592

約数和(自身を除く): 4906580807

約数列:

[1, 5, 47, 107, 211, 235, 535, 1055, 3803, 5029, 9917, 19015, 22577, 25145, 49585, 112885, 178741, 406921, 802433, 893705, 1061119, 2034605, 4012165, 5305595, 19125287, 37714351, 85860331, 95626435, 188571755, 429301655, 4035435557, 20177177785]

約数ペア:

[(1, 20177177785), (5, 4035435557), (47, 429301655), (107, 188571755), (211, 95626435), (235, 85860331), (535, 37714351), (1055, 19125287), (3803, 5305595), (5029, 4012165), (9917, 2034605), (19015, 1061119), (22577, 893705), (25145, 802433), (49585, 406921), (112885, 178741)]