20105972624

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{281}}^1\times {\mathrm{1129}}^1$

素因数の和:1668

約数の個数: 80

約数和(自身を含む): 41608073520

約数和(自身を除く): 21502100896

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 233, 272, 281, 466, 562, 932, 1124, 1129, 1864, 2248, 2258, 3728, 3961, 4496, 4516, 4777, 7922, 9032, 9554, 15844, 18064, 19108, 19193, 31688, 38216, 38386, 63376, 65473, 76432, 76772, 130946, 153544, 261892, 263057, 307088, 317249, 523784, 526114, 634498, 1047568, 1052228, 1113041, 1268996, 2104456, 2226082, 2537992, 4208912, 4452164, 4471969, 5075984, 5393233, 8904328, 8943938, 10786466, 17808656, 17887876, 21572932, 35775752, 43145864, 71551504, 73919017, 86291728, 147838034, 295676068, 591352136, 1182704272, 1256623289, 2513246578, 5026493156, 10052986312, 20105972624]

約数ペア:

[(1, 20105972624), (2, 10052986312), (4, 5026493156), (8, 2513246578), (16, 1256623289), (17, 1182704272), (34, 591352136), (68, 295676068), (136, 147838034), (233, 86291728), (272, 73919017), (281, 71551504), (466, 43145864), (562, 35775752), (932, 21572932), (1124, 17887876), (1129, 17808656), (1864, 10786466), (2248, 8943938), (2258, 8904328), (3728, 5393233), (3961, 5075984), (4496, 4471969), (4516, 4452164), (4777, 4208912), (7922, 2537992), (9032, 2226082), (9554, 2104456), (15844, 1268996), (18064, 1113041), (19108, 1052228), (19193, 1047568), (31688, 634498), (38216, 526114), (38386, 523784), (63376, 317249), (65473, 307088), (76432, 263057), (76772, 261892), (130946, 153544)]