20200488

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:687

約数の個数: 128

約数和(自身を含む): 66769920

約数和(自身を除く): 46569432

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 17, 21, 22, 24, 28, 33, 34, 42, 44, 51, 56, 66, 68, 77, 84, 88, 102, 119, 132, 136, 154, 168, 187, 204, 231, 238, 264, 308, 357, 374, 408, 462, 476, 561, 616, 643, 714, 748, 924, 952, 1122, 1286, 1309, 1428, 1496, 1848, 1929, 2244, 2572, 2618, 2856, 3858, 3927, 4488, 4501, 5144, 5236, 7073, 7716, 7854, 9002, 10472, 10931, 13503, 14146, 15432, 15708, 18004, 21219, 21862, 27006, 28292, 31416, 32793, 36008, 42438, 43724, 49511, 54012, 56584, 65586, 76517, 84876, 87448, 99022, 108024, 120241, 131172, 148533, 153034, 169752, 198044, 229551, 240482, 262344, 297066, 306068, 360723, 396088, 459102, 480964, 594132, 612136, 721446, 841687, 918204, 961928, 1188264, 1442892, 1683374, 1836408, 2525061, 2885784, 3366748, 5050122, 6733496, 10100244, 20200488]

約数ペア:

[(1, 20200488), (2, 10100244), (3, 6733496), (4, 5050122), (6, 3366748), (7, 2885784), (8, 2525061), (11, 1836408), (12, 1683374), (14, 1442892), (17, 1188264), (21, 961928), (22, 918204), (24, 841687), (28, 721446), (33, 612136), (34, 594132), (42, 480964), (44, 459102), (51, 396088), (56, 360723), (66, 306068), (68, 297066), (77, 262344), (84, 240482), (88, 229551), (102, 198044), (119, 169752), (132, 153034), (136, 148533), (154, 131172), (168, 120241), (187, 108024), (204, 99022), (231, 87448), (238, 84876), (264, 76517), (308, 65586), (357, 56584), (374, 54012), (408, 49511), (462, 43724), (476, 42438), (561, 36008), (616, 32793), (643, 31416), (714, 28292), (748, 27006), (924, 21862), (952, 21219), (1122, 18004), (1286, 15708), (1309, 15432), (1428, 14146), (1496, 13503), (1848, 10931), (1929, 10472), (2244, 9002), (2572, 7854), (2618, 7716), (2856, 7073), (3858, 5236), (3927, 5144), (4488, 4501)]