20788416

素因数分解:

$2^6\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1$

素因数の和:239

約数の個数: 168

約数和(自身を含む): 69183504

約数和(自身を除く): 48395088

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 17, 18, 22, 24, 32, 33, 34, 36, 44, 48, 51, 64, 66, 68, 72, 88, 96, 99, 102, 132, 136, 144, 153, 176, 187, 192, 193, 198, 204, 264, 272, 288, 306, 352, 374, 386, 396, 408, 528, 544, 561, 576, 579, 612, 704, 748, 772, 792, 816, 1056, 1088, 1122, 1158, 1224, 1496, 1544, 1584, 1632, 1683, 1737, 2112, 2123, 2244, 2316, 2448, 2992, 3088, 3168, 3264, 3281, 3366, 3474, 4246, 4488, 4632, 4896, 5984, 6176, 6336, 6369, 6562, 6732, 6948, 8492, 8976, 9264, 9792, 9843, 11968, 12352, 12738, 13124, 13464, 13896, 16984, 17952, 18528, 19107, 19686, 25476, 26248, 26928, 27792, 29529, 33968, 35904, 36091, 37056, 38214, 39372, 50952, 52496, 53856, 55584, 59058, 67936, 72182, 76428, 78744, 101904, 104992, 107712, 108273, 111168, 118116, 135872, 144364, 152856, 157488, 203808, 209984, 216546, 236232, 288728, 305712, 314976, 324819, 407616, 433092, 472464, 577456, 611424, 629952, 649638, 866184, 944928, 1154912, 1222848, 1299276, 1732368, 1889856, 2309824, 2598552, 3464736, 5197104, 6929472, 10394208, 20788416]

約数ペア:

[(1, 20788416), (2, 10394208), (3, 6929472), (4, 5197104), (6, 3464736), (8, 2598552), (9, 2309824), (11, 1889856), (12, 1732368), (16, 1299276), (17, 1222848), (18, 1154912), (22, 944928), (24, 866184), (32, 649638), (33, 629952), (34, 611424), (36, 577456), (44, 472464), (48, 433092), (51, 407616), (64, 324819), (66, 314976), (68, 305712), (72, 288728), (88, 236232), (96, 216546), (99, 209984), (102, 203808), (132, 157488), (136, 152856), (144, 144364), (153, 135872), (176, 118116), (187, 111168), (192, 108273), (193, 107712), (198, 104992), (204, 101904), (264, 78744), (272, 76428), (288, 72182), (306, 67936), (352, 59058), (374, 55584), (386, 53856), (396, 52496), (408, 50952), (528, 39372), (544, 38214), (561, 37056), (576, 36091), (579, 35904), (612, 33968), (704, 29529), (748, 27792), (772, 26928), (792, 26248), (816, 25476), (1056, 19686), (1088, 19107), (1122, 18528), (1158, 17952), (1224, 16984), (1496, 13896), (1544, 13464), (1584, 13124), (1632, 12738), (1683, 12352), (1737, 11968), (2112, 9843), (2123, 9792), (2244, 9264), (2316, 8976), (2448, 8492), (2992, 6948), (3088, 6732), (3168, 6562), (3264, 6369), (3281, 6336), (3366, 6176), (3474, 5984), (4246, 4896), (4488, 4632)]