20640631536

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{347}}^1\times {\mathrm{59011}}^1$

素因数の和:59379

約数の個数: 120

約数和(自身を含む): 66208631424

約数和(自身を除く): 45567999888

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 347, 504, 694, 1008, 1041, 1388, 2082, 2429, 2776, 3123, 4164, 4858, 5552, 6246, 7287, 8328, 9716, 12492, 14574, 16656, 19432, 21861, 24984, 29148, 38864, 43722, 49968, 58296, 59011, 87444, 116592, 118022, 174888, 177033, 236044, 349776, 354066, 413077, 472088, 531099, 708132, 826154, 944176, 1062198, 1239231, 1416264, 1652308, 2124396, 2478462, 2832528, 3304616, 3717693, 4248792, 4956924, 6609232, 7435386, 8497584, 9913848, 14870772, 19827696, 20476817, 29741544, 40953634, 59483088, 61430451, 81907268, 122860902, 143337719, 163814536, 184291353, 245721804, 286675438, 327629072, 368582706, 430013157, 491443608, 573350876, 737165412, 860026314, 982887216, 1146701752, 1290039471, 1474330824, 1720052628, 2293403504, 2580078942, 2948661648, 3440105256, 5160157884, 6880210512, 10320315768, 20640631536]

約数ペア:

[(1, 20640631536), (2, 10320315768), (3, 6880210512), (4, 5160157884), (6, 3440105256), (7, 2948661648), (8, 2580078942), (9, 2293403504), (12, 1720052628), (14, 1474330824), (16, 1290039471), (18, 1146701752), (21, 982887216), (24, 860026314), (28, 737165412), (36, 573350876), (42, 491443608), (48, 430013157), (56, 368582706), (63, 327629072), (72, 286675438), (84, 245721804), (112, 184291353), (126, 163814536), (144, 143337719), (168, 122860902), (252, 81907268), (336, 61430451), (347, 59483088), (504, 40953634), (694, 29741544), (1008, 20476817), (1041, 19827696), (1388, 14870772), (2082, 9913848), (2429, 8497584), (2776, 7435386), (3123, 6609232), (4164, 4956924), (4858, 4248792), (5552, 3717693), (6246, 3304616), (7287, 2832528), (8328, 2478462), (9716, 2124396), (12492, 1652308), (14574, 1416264), (16656, 1239231), (19432, 1062198), (21861, 944176), (24984, 826154), (29148, 708132), (38864, 531099), (43722, 472088), (49968, 413077), (58296, 354066), (59011, 349776), (87444, 236044), (116592, 177033), (118022, 174888)]