20957244

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{613}}^1$

素因数の和:675

約数の個数: 96

約数和(自身を含む): 62716416

約数和(自身を除く): 41759172

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 37, 42, 44, 66, 74, 77, 84, 111, 132, 148, 154, 222, 231, 259, 308, 407, 444, 462, 518, 613, 777, 814, 924, 1036, 1221, 1226, 1554, 1628, 1839, 2442, 2452, 2849, 3108, 3678, 4291, 4884, 5698, 6743, 7356, 8547, 8582, 11396, 12873, 13486, 17094, 17164, 20229, 22681, 25746, 26972, 34188, 40458, 45362, 47201, 51492, 68043, 80916, 90724, 94402, 136086, 141603, 158767, 188804, 249491, 272172, 283206, 317534, 476301, 498982, 566412, 635068, 748473, 952602, 997964, 1496946, 1746437, 1905204, 2993892, 3492874, 5239311, 6985748, 10478622, 20957244]

約数ペア:

[(1, 20957244), (2, 10478622), (3, 6985748), (4, 5239311), (6, 3492874), (7, 2993892), (11, 1905204), (12, 1746437), (14, 1496946), (21, 997964), (22, 952602), (28, 748473), (33, 635068), (37, 566412), (42, 498982), (44, 476301), (66, 317534), (74, 283206), (77, 272172), (84, 249491), (111, 188804), (132, 158767), (148, 141603), (154, 136086), (222, 94402), (231, 90724), (259, 80916), (308, 68043), (407, 51492), (444, 47201), (462, 45362), (518, 40458), (613, 34188), (777, 26972), (814, 25746), (924, 22681), (1036, 20229), (1221, 17164), (1226, 17094), (1554, 13486), (1628, 12873), (1839, 11396), (2442, 8582), (2452, 8547), (2849, 7356), (3108, 6743), (3678, 5698), (4291, 4884)]