20195367075

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{67033}}^1$

素因数の和:67165

約数の個数: 72

約数和(自身を含む): 39333406112

約数和(自身を除く): 19138039037

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 103, 117, 195, 225, 309, 325, 515, 585, 927, 975, 1339, 1545, 2575, 2925, 4017, 4635, 6695, 7725, 12051, 20085, 23175, 33475, 60255, 67033, 100425, 201099, 301275, 335165, 603297, 871429, 1005495, 1675825, 2614287, 3016485, 4357145, 5027475, 6904399, 7842861, 13071435, 15082425, 20713197, 21785725, 34521995, 39214305, 62139591, 65357175, 89757187, 103565985, 172609975, 196071525, 269271561, 310697955, 448785935, 517829925, 807814683, 1346357805, 1553489775, 2243929675, 4039073415, 6731789025, 20195367075]

約数ペア:

[(1, 20195367075), (3, 6731789025), (5, 4039073415), (9, 2243929675), (13, 1553489775), (15, 1346357805), (25, 807814683), (39, 517829925), (45, 448785935), (65, 310697955), (75, 269271561), (103, 196071525), (117, 172609975), (195, 103565985), (225, 89757187), (309, 65357175), (325, 62139591), (515, 39214305), (585, 34521995), (927, 21785725), (975, 20713197), (1339, 15082425), (1545, 13071435), (2575, 7842861), (2925, 6904399), (4017, 5027475), (4635, 4357145), (6695, 3016485), (7725, 2614287), (12051, 1675825), (20085, 1005495), (23175, 871429), (33475, 603297), (60255, 335165), (67033, 301275), (100425, 201099)]