20171249978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{367}}^1\times {\mathrm{9721}}^1$

素因数の和:10358

約数の個数: 32

約数和(自身を含む): 33229640448

約数和(自身を除く): 13058390470

約数列:

[1, 2, 11, 22, 257, 367, 514, 734, 2827, 4037, 5654, 8074, 9721, 19442, 94319, 106931, 188638, 213862, 1037509, 2075018, 2498297, 3567607, 4996594, 7135214, 27481267, 39243677, 54962534, 78487354, 916874999, 1833749998, 10085624989, 20171249978]

約数ペア:

[(1, 20171249978), (2, 10085624989), (11, 1833749998), (22, 916874999), (257, 78487354), (367, 54962534), (514, 39243677), (734, 27481267), (2827, 7135214), (4037, 4996594), (5654, 3567607), (8074, 2498297), (9721, 2075018), (19442, 1037509), (94319, 213862), (106931, 188638)]