20587578

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1$

素因数の和:403

約数の個数: 64

約数和(自身を含む): 48522240

約数和(自身を除く): 27934662

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 59, 66, 102, 118, 177, 187, 311, 354, 374, 561, 622, 649, 933, 1003, 1122, 1298, 1866, 1947, 2006, 3009, 3421, 3894, 5287, 6018, 6842, 10263, 10574, 11033, 15861, 18349, 20526, 22066, 31722, 33099, 36698, 55047, 58157, 66198, 110094, 116314, 174471, 201839, 311933, 348942, 403678, 605517, 623866, 935799, 1211034, 1871598, 3431263, 6862526, 10293789, 20587578]

約数ペア:

[(1, 20587578), (2, 10293789), (3, 6862526), (6, 3431263), (11, 1871598), (17, 1211034), (22, 935799), (33, 623866), (34, 605517), (51, 403678), (59, 348942), (66, 311933), (102, 201839), (118, 174471), (177, 116314), (187, 110094), (311, 66198), (354, 58157), (374, 55047), (561, 36698), (622, 33099), (649, 31722), (933, 22066), (1003, 20526), (1122, 18349), (1298, 15861), (1866, 11033), (1947, 10574), (2006, 10263), (3009, 6842), (3421, 6018), (3894, 5287)]