20163397281

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{1013}}^1$

素因数の和:1366

約数の個数: 64

約数和(自身を含む): 30277877760

約数和(自身を除く): 10114480479

約数列:

[1, 3, 17, 23, 51, 69, 71, 213, 239, 391, 717, 1013, 1173, 1207, 1633, 3039, 3621, 4063, 4899, 5497, 12189, 16491, 16969, 17221, 23299, 27761, 50907, 51663, 69897, 71923, 83283, 93449, 215769, 242107, 280347, 288473, 390287, 396083, 726321, 865419, 1170861, 1188249, 1222691, 1654229, 3668073, 4115819, 4962687, 5568461, 6634879, 12347457, 16705383, 17189597, 19904637, 28121893, 51568791, 84365679, 94663837, 283991511, 292223149, 395360731, 876669447, 1186082193, 6721132427, 20163397281]

約数ペア:

[(1, 20163397281), (3, 6721132427), (17, 1186082193), (23, 876669447), (51, 395360731), (69, 292223149), (71, 283991511), (213, 94663837), (239, 84365679), (391, 51568791), (717, 28121893), (1013, 19904637), (1173, 17189597), (1207, 16705383), (1633, 12347457), (3039, 6634879), (3621, 5568461), (4063, 4962687), (4899, 4115819), (5497, 3668073), (12189, 1654229), (16491, 1222691), (16969, 1188249), (17221, 1170861), (23299, 865419), (27761, 726321), (50907, 396083), (51663, 390287), (69897, 288473), (71923, 280347), (83283, 242107), (93449, 215769)]