20199458015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{641}}^1\times {\mathrm{859}}^1$

素因数の和:1568

約数の個数: 64

約数和(自身を含む): 28621900800

約数和(自身を除く): 8422442785

約数列:

[1, 5, 11, 23, 29, 55, 115, 145, 253, 319, 641, 667, 859, 1265, 1595, 3205, 3335, 4295, 7051, 7337, 9449, 14743, 18589, 19757, 24911, 35255, 36685, 47245, 73715, 92945, 98785, 124555, 162173, 204479, 217327, 274021, 427547, 550619, 572953, 810865, 1022395, 1086635, 1370105, 2137735, 2753095, 2864765, 4703017, 6056809, 6302483, 12664237, 15967951, 23515085, 30284045, 31512415, 63321185, 79839755, 139306607, 175647461, 367262873, 696533035, 878237305, 1836314365, 4039891603, 20199458015]

約数ペア:

[(1, 20199458015), (5, 4039891603), (11, 1836314365), (23, 878237305), (29, 696533035), (55, 367262873), (115, 175647461), (145, 139306607), (253, 79839755), (319, 63321185), (641, 31512415), (667, 30284045), (859, 23515085), (1265, 15967951), (1595, 12664237), (3205, 6302483), (3335, 6056809), (4295, 4703017), (7051, 2864765), (7337, 2753095), (9449, 2137735), (14743, 1370105), (18589, 1086635), (19757, 1022395), (24911, 810865), (35255, 572953), (36685, 550619), (47245, 427547), (73715, 274021), (92945, 217327), (98785, 204479), (124555, 162173)]