20810856

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4637}}^1$

素因数の和:4674

約数の個数: 64

約数和(自身を含む): 60108480

約数和(自身を除く): 39297624

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 44, 51, 66, 68, 88, 102, 132, 136, 187, 204, 264, 374, 408, 561, 748, 1122, 1496, 2244, 4488, 4637, 9274, 13911, 18548, 27822, 37096, 51007, 55644, 78829, 102014, 111288, 153021, 157658, 204028, 236487, 306042, 315316, 408056, 472974, 612084, 630632, 867119, 945948, 1224168, 1734238, 1891896, 2601357, 3468476, 5202714, 6936952, 10405428, 20810856]

約数ペア:

[(1, 20810856), (2, 10405428), (3, 6936952), (4, 5202714), (6, 3468476), (8, 2601357), (11, 1891896), (12, 1734238), (17, 1224168), (22, 945948), (24, 867119), (33, 630632), (34, 612084), (44, 472974), (51, 408056), (66, 315316), (68, 306042), (88, 236487), (102, 204028), (132, 157658), (136, 153021), (187, 111288), (204, 102014), (264, 78829), (374, 55644), (408, 51007), (561, 37096), (748, 27822), (1122, 18548), (1496, 13911), (2244, 9274), (4488, 4637)]