20783568

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1753}}^1$

素因数の和:1796

約数の個数: 80

約数和(自身を含む): 60898880

約数和(自身を除く): 40115312

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 38, 39, 48, 52, 57, 76, 78, 104, 114, 152, 156, 208, 228, 247, 304, 312, 456, 494, 624, 741, 912, 988, 1482, 1753, 1976, 2964, 3506, 3952, 5259, 5928, 7012, 10518, 11856, 14024, 21036, 22789, 28048, 33307, 42072, 45578, 66614, 68367, 84144, 91156, 99921, 133228, 136734, 182312, 199842, 266456, 273468, 364624, 399684, 432991, 532912, 546936, 799368, 865982, 1093872, 1298973, 1598736, 1731964, 2597946, 3463928, 5195892, 6927856, 10391784, 20783568]

約数ペア:

[(1, 20783568), (2, 10391784), (3, 6927856), (4, 5195892), (6, 3463928), (8, 2597946), (12, 1731964), (13, 1598736), (16, 1298973), (19, 1093872), (24, 865982), (26, 799368), (38, 546936), (39, 532912), (48, 432991), (52, 399684), (57, 364624), (76, 273468), (78, 266456), (104, 199842), (114, 182312), (152, 136734), (156, 133228), (208, 99921), (228, 91156), (247, 84144), (304, 68367), (312, 66614), (456, 45578), (494, 42072), (624, 33307), (741, 28048), (912, 22789), (988, 21036), (1482, 14024), (1753, 11856), (1976, 10518), (2964, 7012), (3506, 5928), (3952, 5259)]