20482616

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{811}}^1$

素因数の和:876

約数の個数: 64

約数和(自身を含む): 49109760

約数和(自身を除く): 28627144

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 41, 44, 56, 77, 82, 88, 154, 164, 287, 308, 328, 451, 574, 616, 811, 902, 1148, 1622, 1804, 2296, 3157, 3244, 3608, 5677, 6314, 6488, 8921, 11354, 12628, 17842, 22708, 25256, 33251, 35684, 45416, 62447, 66502, 71368, 124894, 133004, 232757, 249788, 266008, 365761, 465514, 499576, 731522, 931028, 1463044, 1862056, 2560327, 2926088, 5120654, 10241308, 20482616]

約数ペア:

[(1, 20482616), (2, 10241308), (4, 5120654), (7, 2926088), (8, 2560327), (11, 1862056), (14, 1463044), (22, 931028), (28, 731522), (41, 499576), (44, 465514), (56, 365761), (77, 266008), (82, 249788), (88, 232757), (154, 133004), (164, 124894), (287, 71368), (308, 66502), (328, 62447), (451, 45416), (574, 35684), (616, 33251), (811, 25256), (902, 22708), (1148, 17842), (1622, 12628), (1804, 11354), (2296, 8921), (3157, 6488), (3244, 6314), (3608, 5677)]