20776728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:341

約数の個数: 128

約数和(自身を含む): 65433600

約数和(自身を除く): 44656872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 23, 24, 28, 38, 42, 46, 56, 57, 69, 76, 84, 92, 114, 133, 138, 152, 161, 168, 184, 228, 266, 276, 283, 322, 399, 437, 456, 483, 532, 552, 566, 644, 798, 849, 874, 966, 1064, 1132, 1288, 1311, 1596, 1698, 1748, 1932, 1981, 2264, 2622, 3059, 3192, 3396, 3496, 3864, 3962, 5244, 5377, 5943, 6118, 6509, 6792, 7924, 9177, 10488, 10754, 11886, 12236, 13018, 15848, 16131, 18354, 19527, 21508, 23772, 24472, 26036, 32262, 36708, 37639, 39054, 43016, 45563, 47544, 52072, 64524, 73416, 75278, 78108, 91126, 112917, 123671, 129048, 136689, 150556, 156216, 182252, 225834, 247342, 273378, 301112, 364504, 371013, 451668, 494684, 546756, 742026, 865697, 903336, 989368, 1093512, 1484052, 1731394, 2597091, 2968104, 3462788, 5194182, 6925576, 10388364, 20776728]

約数ペア:

[(1, 20776728), (2, 10388364), (3, 6925576), (4, 5194182), (6, 3462788), (7, 2968104), (8, 2597091), (12, 1731394), (14, 1484052), (19, 1093512), (21, 989368), (23, 903336), (24, 865697), (28, 742026), (38, 546756), (42, 494684), (46, 451668), (56, 371013), (57, 364504), (69, 301112), (76, 273378), (84, 247342), (92, 225834), (114, 182252), (133, 156216), (138, 150556), (152, 136689), (161, 129048), (168, 123671), (184, 112917), (228, 91126), (266, 78108), (276, 75278), (283, 73416), (322, 64524), (399, 52072), (437, 47544), (456, 45563), (483, 43016), (532, 39054), (552, 37639), (566, 36708), (644, 32262), (798, 26036), (849, 24472), (874, 23772), (966, 21508), (1064, 19527), (1132, 18354), (1288, 16131), (1311, 15848), (1596, 13018), (1698, 12236), (1748, 11886), (1932, 10754), (1981, 10488), (2264, 9177), (2622, 7924), (3059, 6792), (3192, 6509), (3396, 6118), (3496, 5943), (3864, 5377), (3962, 5244)]