20123013526

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1\times {\mathrm{12539}}^1$

素因数の和:13189

約数の個数: 64

約数和(自身を含む): 39914519040

約数和(自身を除く): 19791505514

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 154, 187, 238, 374, 613, 1226, 1309, 2618, 4291, 6743, 8582, 10421, 12539, 13486, 20842, 25078, 47201, 72947, 87773, 94402, 114631, 137929, 145894, 175546, 213163, 229262, 275858, 426326, 802417, 965503, 1492141, 1604834, 1931006, 2344793, 2984282, 4689586, 7686407, 15372814, 16413551, 32827102, 53804849, 84550477, 107609698, 130668919, 169100954, 261337838, 591853339, 914682433, 1183706678, 1437358109, 1829364866, 2874716218, 10061506763, 20123013526]

約数ペア:

[(1, 20123013526), (2, 10061506763), (7, 2874716218), (11, 1829364866), (14, 1437358109), (17, 1183706678), (22, 914682433), (34, 591853339), (77, 261337838), (119, 169100954), (154, 130668919), (187, 107609698), (238, 84550477), (374, 53804849), (613, 32827102), (1226, 16413551), (1309, 15372814), (2618, 7686407), (4291, 4689586), (6743, 2984282), (8582, 2344793), (10421, 1931006), (12539, 1604834), (13486, 1492141), (20842, 965503), (25078, 802417), (47201, 426326), (72947, 275858), (87773, 229262), (94402, 213163), (114631, 175546), (137929, 145894)]