20156075500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{215573}}^1$

素因数の和:215620

約数の個数: 96

約数和(自身を含む): 50847870528

約数和(自身を除く): 30691795028

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 68, 85, 100, 110, 125, 170, 187, 220, 250, 275, 340, 374, 425, 500, 550, 748, 850, 935, 1100, 1375, 1700, 1870, 2125, 2750, 3740, 4250, 4675, 5500, 8500, 9350, 18700, 23375, 46750, 93500, 215573, 431146, 862292, 1077865, 2155730, 2371303, 3664741, 4311460, 4742606, 5389325, 7329482, 9485212, 10778650, 11856515, 14658964, 18323705, 21557300, 23713030, 26946625, 36647410, 40312151, 47426060, 53893250, 59282575, 73294820, 80624302, 91618525, 107786500, 118565150, 161248604, 183237050, 201560755, 237130300, 296412875, 366474100, 403121510, 458092625, 592825750, 806243020, 916185250, 1007803775, 1185651500, 1832370500, 2015607550, 4031215100, 5039018875, 10078037750, 20156075500]

約数ペア:

[(1, 20156075500), (2, 10078037750), (4, 5039018875), (5, 4031215100), (10, 2015607550), (11, 1832370500), (17, 1185651500), (20, 1007803775), (22, 916185250), (25, 806243020), (34, 592825750), (44, 458092625), (50, 403121510), (55, 366474100), (68, 296412875), (85, 237130300), (100, 201560755), (110, 183237050), (125, 161248604), (170, 118565150), (187, 107786500), (220, 91618525), (250, 80624302), (275, 73294820), (340, 59282575), (374, 53893250), (425, 47426060), (500, 40312151), (550, 36647410), (748, 26946625), (850, 23713030), (935, 21557300), (1100, 18323705), (1375, 14658964), (1700, 11856515), (1870, 10778650), (2125, 9485212), (2750, 7329482), (3740, 5389325), (4250, 4742606), (4675, 4311460), (5500, 3664741), (8500, 2371303), (9350, 2155730), (18700, 1077865), (23375, 862292), (46750, 431146), (93500, 215573)]