20180851180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{39139}}^1$

素因数の和:39311

約数の個数: 96

約数和(自身を含む): 50499993600

約数和(自身を除く): 30319142420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 127, 140, 145, 203, 254, 290, 406, 508, 580, 635, 812, 889, 1015, 1270, 1778, 2030, 2540, 3556, 3683, 4060, 4445, 7366, 8890, 14732, 17780, 18415, 25781, 36830, 39139, 51562, 73660, 78278, 103124, 128905, 156556, 195695, 257810, 273973, 391390, 515620, 547946, 782780, 1095892, 1135031, 1369865, 2270062, 2739730, 4540124, 4970653, 5479460, 5675155, 7945217, 9941306, 11350310, 15890434, 19882612, 22700620, 24853265, 31780868, 34794571, 39726085, 49706530, 69589142, 79452170, 99413060, 139178284, 144148937, 158904340, 173972855, 288297874, 347945710, 576595748, 695891420, 720744685, 1009042559, 1441489370, 2018085118, 2882978740, 4036170236, 5045212795, 10090425590, 20180851180]

約数ペア:

[(1, 20180851180), (2, 10090425590), (4, 5045212795), (5, 4036170236), (7, 2882978740), (10, 2018085118), (14, 1441489370), (20, 1009042559), (28, 720744685), (29, 695891420), (35, 576595748), (58, 347945710), (70, 288297874), (116, 173972855), (127, 158904340), (140, 144148937), (145, 139178284), (203, 99413060), (254, 79452170), (290, 69589142), (406, 49706530), (508, 39726085), (580, 34794571), (635, 31780868), (812, 24853265), (889, 22700620), (1015, 19882612), (1270, 15890434), (1778, 11350310), (2030, 9941306), (2540, 7945217), (3556, 5675155), (3683, 5479460), (4060, 4970653), (4445, 4540124), (7366, 2739730), (8890, 2270062), (14732, 1369865), (17780, 1135031), (18415, 1095892), (25781, 782780), (36830, 547946), (39139, 515620), (51562, 391390), (73660, 273973), (78278, 257810), (103124, 195695), (128905, 156556)]