20168093439

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{271}}^1\times {\mathrm{433}}^1$

素因数の和:849

約数の個数: 72

約数和(自身を含む): 32015325888

約数和(自身を除く): 11847232449

約数列:

[1, 3, 9, 13, 39, 113, 117, 169, 271, 339, 433, 507, 813, 1017, 1299, 1469, 1521, 2439, 3523, 3897, 4407, 5629, 10569, 13221, 16887, 19097, 30623, 31707, 45799, 48929, 50661, 57291, 73177, 91869, 117343, 137397, 146787, 171873, 219531, 275607, 352029, 398099, 412191, 440361, 636077, 658593, 1056087, 1194297, 1525459, 1908231, 3582891, 4576377, 5175287, 5724693, 8269001, 13259759, 13729131, 15525861, 19830967, 24807003, 39779277, 46577583, 59492901, 74421009, 119337831, 172376867, 178478703, 517130601, 1551391803, 2240899271, 6722697813, 20168093439]

約数ペア:

[(1, 20168093439), (3, 6722697813), (9, 2240899271), (13, 1551391803), (39, 517130601), (113, 178478703), (117, 172376867), (169, 119337831), (271, 74421009), (339, 59492901), (433, 46577583), (507, 39779277), (813, 24807003), (1017, 19830967), (1299, 15525861), (1469, 13729131), (1521, 13259759), (2439, 8269001), (3523, 5724693), (3897, 5175287), (4407, 4576377), (5629, 3582891), (10569, 1908231), (13221, 1525459), (16887, 1194297), (19097, 1056087), (30623, 658593), (31707, 636077), (45799, 440361), (48929, 412191), (50661, 398099), (57291, 352029), (73177, 275607), (91869, 219531), (117343, 171873), (137397, 146787)]