20201103728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{233}}^1\times {\mathrm{4127}}^1$

素因数の和:4482

約数の個数: 80

約数和(自身を含む): 42760763136

約数和(自身を除く): 22559659408

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 101, 104, 202, 208, 233, 404, 466, 808, 932, 1313, 1616, 1864, 2626, 3029, 3728, 4127, 5252, 6058, 8254, 10504, 12116, 16508, 21008, 23533, 24232, 33016, 47066, 48464, 53651, 66032, 94132, 107302, 188264, 214604, 305929, 376528, 416827, 429208, 611858, 833654, 858416, 961591, 1223716, 1667308, 1923182, 2447432, 3334616, 3846364, 4894864, 5418751, 6669232, 7692728, 10837502, 12500683, 15385456, 21675004, 25001366, 43350008, 50002732, 86700016, 97120691, 100005464, 194241382, 200010928, 388482764, 776965528, 1262568983, 1553931056, 2525137966, 5050275932, 10100551864, 20201103728]

約数ペア:

[(1, 20201103728), (2, 10100551864), (4, 5050275932), (8, 2525137966), (13, 1553931056), (16, 1262568983), (26, 776965528), (52, 388482764), (101, 200010928), (104, 194241382), (202, 100005464), (208, 97120691), (233, 86700016), (404, 50002732), (466, 43350008), (808, 25001366), (932, 21675004), (1313, 15385456), (1616, 12500683), (1864, 10837502), (2626, 7692728), (3029, 6669232), (3728, 5418751), (4127, 4894864), (5252, 3846364), (6058, 3334616), (8254, 2447432), (10504, 1923182), (12116, 1667308), (16508, 1223716), (21008, 961591), (23533, 858416), (24232, 833654), (33016, 611858), (47066, 429208), (48464, 416827), (53651, 376528), (66032, 305929), (94132, 214604), (107302, 188264)]