20808816

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3643}}^1$

素因数の和:3678

約数の個数: 80

約数和(自身を含む): 65067264

約数和(自身を除く): 44258448

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 34, 42, 48, 51, 56, 68, 84, 102, 112, 119, 136, 168, 204, 238, 272, 336, 357, 408, 476, 714, 816, 952, 1428, 1904, 2856, 3643, 5712, 7286, 10929, 14572, 21858, 25501, 29144, 43716, 51002, 58288, 61931, 76503, 87432, 102004, 123862, 153006, 174864, 185793, 204008, 247724, 306012, 371586, 408016, 433517, 495448, 612024, 743172, 867034, 990896, 1224048, 1300551, 1486344, 1734068, 2601102, 2972688, 3468136, 5202204, 6936272, 10404408, 20808816]

約数ペア:

[(1, 20808816), (2, 10404408), (3, 6936272), (4, 5202204), (6, 3468136), (7, 2972688), (8, 2601102), (12, 1734068), (14, 1486344), (16, 1300551), (17, 1224048), (21, 990896), (24, 867034), (28, 743172), (34, 612024), (42, 495448), (48, 433517), (51, 408016), (56, 371586), (68, 306012), (84, 247724), (102, 204008), (112, 185793), (119, 174864), (136, 153006), (168, 123862), (204, 102004), (238, 87432), (272, 76503), (336, 61931), (357, 58288), (408, 51002), (476, 43716), (714, 29144), (816, 25501), (952, 21858), (1428, 14572), (1904, 10929), (2856, 7286), (3643, 5712)]