20931738248

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{971}}^1\times {\mathrm{1483}}^1$

素因数の和:2562

約数の個数: 64

約数和(自身を含む): 41542502400

約数和(自身を除く): 20610764152

約数列:

[1, 2, 4, 8, 23, 46, 79, 92, 158, 184, 316, 632, 971, 1483, 1817, 1942, 2966, 3634, 3884, 5932, 7268, 7768, 11864, 14536, 22333, 34109, 44666, 68218, 76709, 89332, 117157, 136436, 153418, 178664, 234314, 272872, 306836, 468628, 613672, 937256, 1439993, 1764307, 2694611, 2879986, 3528614, 5389222, 5759972, 7057228, 10778444, 11519944, 14114456, 21556888, 33119839, 66239678, 113759447, 132479356, 227518894, 264958712, 455037788, 910075576, 2616467281, 5232934562, 10465869124, 20931738248]

約数ペア:

[(1, 20931738248), (2, 10465869124), (4, 5232934562), (8, 2616467281), (23, 910075576), (46, 455037788), (79, 264958712), (92, 227518894), (158, 132479356), (184, 113759447), (316, 66239678), (632, 33119839), (971, 21556888), (1483, 14114456), (1817, 11519944), (1942, 10778444), (2966, 7057228), (3634, 5759972), (3884, 5389222), (5932, 3528614), (7268, 2879986), (7768, 2694611), (11864, 1764307), (14536, 1439993), (22333, 937256), (34109, 613672), (44666, 468628), (68218, 306836), (76709, 272872), (89332, 234314), (117157, 178664), (136436, 153418)]