20651562

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{601}}^1$

素因数の和:715

約数の個数: 48

約数和(自身を含む): 47331648

約数和(自身を除く): 26680086

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 83, 138, 166, 207, 249, 414, 498, 601, 747, 1202, 1494, 1803, 1909, 3606, 3818, 5409, 5727, 10818, 11454, 13823, 17181, 27646, 34362, 41469, 49883, 82938, 99766, 124407, 149649, 248814, 299298, 448947, 897894, 1147309, 2294618, 3441927, 6883854, 10325781, 20651562]

約数ペア:

[(1, 20651562), (2, 10325781), (3, 6883854), (6, 3441927), (9, 2294618), (18, 1147309), (23, 897894), (46, 448947), (69, 299298), (83, 248814), (138, 149649), (166, 124407), (207, 99766), (249, 82938), (414, 49883), (498, 41469), (601, 34362), (747, 27646), (1202, 17181), (1494, 13823), (1803, 11454), (1909, 10818), (3606, 5727), (3818, 5409)]