20550989712

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1255559}}^1$

素因数の和:1255612

約数の個数: 80

約数和(自身を含む): 59784744960

約数和(自身を除く): 39233755248

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 33, 44, 48, 62, 66, 88, 93, 124, 132, 176, 186, 248, 264, 341, 372, 496, 528, 682, 744, 1023, 1364, 1488, 2046, 2728, 4092, 5456, 8184, 16368, 1255559, 2511118, 3766677, 5022236, 7533354, 10044472, 13811149, 15066708, 20088944, 27622298, 30133416, 38922329, 41433447, 55244596, 60266832, 77844658, 82866894, 110489192, 116766987, 155689316, 165733788, 220978384, 233533974, 311378632, 331467576, 428145619, 467067948, 622757264, 662935152, 856291238, 934135896, 1284436857, 1712582476, 1868271792, 2568873714, 3425164952, 5137747428, 6850329904, 10275494856, 20550989712]

約数ペア:

[(1, 20550989712), (2, 10275494856), (3, 6850329904), (4, 5137747428), (6, 3425164952), (8, 2568873714), (11, 1868271792), (12, 1712582476), (16, 1284436857), (22, 934135896), (24, 856291238), (31, 662935152), (33, 622757264), (44, 467067948), (48, 428145619), (62, 331467576), (66, 311378632), (88, 233533974), (93, 220978384), (124, 165733788), (132, 155689316), (176, 116766987), (186, 110489192), (248, 82866894), (264, 77844658), (341, 60266832), (372, 55244596), (496, 41433447), (528, 38922329), (682, 30133416), (744, 27622298), (1023, 20088944), (1364, 15066708), (1488, 13811149), (2046, 10044472), (2728, 7533354), (4092, 5022236), (5456, 3766677), (8184, 2511118), (16368, 1255559)]