20808522252

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1756883}}^1$

素因数の和:1756947

約数の個数: 72

約数和(自身を含む): 61392554496

約数和(自身を除く): 40584032244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 47, 63, 84, 94, 126, 141, 188, 252, 282, 329, 423, 564, 658, 846, 987, 1316, 1692, 1974, 2961, 3948, 5922, 11844, 1756883, 3513766, 5270649, 7027532, 10541298, 12298181, 15811947, 21082596, 24596362, 31623894, 36894543, 49192724, 63247788, 73789086, 82573501, 110683629, 147578172, 165147002, 221367258, 247720503, 330294004, 442734516, 495441006, 578014507, 743161509, 990882012, 1156029014, 1486323018, 1734043521, 2312058028, 2972646036, 3468087042, 5202130563, 6936174084, 10404261126, 20808522252]

約数ペア:

[(1, 20808522252), (2, 10404261126), (3, 6936174084), (4, 5202130563), (6, 3468087042), (7, 2972646036), (9, 2312058028), (12, 1734043521), (14, 1486323018), (18, 1156029014), (21, 990882012), (28, 743161509), (36, 578014507), (42, 495441006), (47, 442734516), (63, 330294004), (84, 247720503), (94, 221367258), (126, 165147002), (141, 147578172), (188, 110683629), (252, 82573501), (282, 73789086), (329, 63247788), (423, 49192724), (564, 36894543), (658, 31623894), (846, 24596362), (987, 21082596), (1316, 15811947), (1692, 12298181), (1974, 10541298), (2961, 7027532), (3948, 5270649), (5922, 3513766), (11844, 1756883)]