20406948354

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{1871}}^1\times {\mathrm{5179}}^1$

素因数の和:7077

約数の個数: 80

約数和(自身を含む): 49279950720

約数和(自身を除く): 28873002366

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 1871, 2106, 3742, 5179, 5613, 10358, 11226, 15537, 16839, 24323, 31074, 33678, 46611, 48646, 50517, 67327, 72969, 93222, 101034, 134654, 139833, 145938, 151551, 201981, 218907, 279666, 303102, 403962, 419499, 437814, 605943, 656721, 838998, 1211886, 1313442, 1817829, 1970163, 3635658, 3940326, 5453487, 9689909, 10906974, 19379818, 29069727, 58139454, 87209181, 125968817, 174418362, 251937634, 261627543, 377906451, 523255086, 755812902, 784882629, 1133719353, 1569765258, 2267438706, 3401158059, 6802316118, 10203474177, 20406948354]

約数ペア:

[(1, 20406948354), (2, 10203474177), (3, 6802316118), (6, 3401158059), (9, 2267438706), (13, 1569765258), (18, 1133719353), (26, 784882629), (27, 755812902), (39, 523255086), (54, 377906451), (78, 261627543), (81, 251937634), (117, 174418362), (162, 125968817), (234, 87209181), (351, 58139454), (702, 29069727), (1053, 19379818), (1871, 10906974), (2106, 9689909), (3742, 5453487), (5179, 3940326), (5613, 3635658), (10358, 1970163), (11226, 1817829), (15537, 1313442), (16839, 1211886), (24323, 838998), (31074, 656721), (33678, 605943), (46611, 437814), (48646, 419499), (50517, 403962), (67327, 303102), (72969, 279666), (93222, 218907), (101034, 201981), (134654, 151551), (139833, 145938)]