20953060480

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{7853}}^1$

素因数の和:8262

約数の個数: 128

約数和(自身を含む): 54795787200

約数和(自身を除く): 33842726720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 379, 440, 640, 704, 758, 880, 1408, 1516, 1760, 1895, 3032, 3520, 3790, 4169, 6064, 7040, 7580, 7853, 8338, 12128, 15160, 15706, 16676, 20845, 24256, 30320, 31412, 33352, 39265, 41690, 48512, 60640, 62824, 66704, 78530, 83380, 86383, 121280, 125648, 133408, 157060, 166760, 172766, 242560, 251296, 266816, 314120, 333520, 345532, 431915, 502592, 533632, 628240, 667040, 691064, 863830, 1005184, 1256480, 1334080, 1382128, 1727660, 2512960, 2668160, 2764256, 2976287, 3455320, 5025920, 5528512, 5952574, 6910640, 11057024, 11905148, 13821280, 14881435, 23810296, 27642560, 29762870, 32739157, 47620592, 55285120, 59525740, 65478314, 95241184, 119051480, 130956628, 163695785, 190482368, 238102960, 261913256, 327391570, 380964736, 476205920, 523826512, 654783140, 952411840, 1047653024, 1309566280, 1904823680, 2095306048, 2619132560, 4190612096, 5238265120, 10476530240, 20953060480]

約数ペア:

[(1, 20953060480), (2, 10476530240), (4, 5238265120), (5, 4190612096), (8, 2619132560), (10, 2095306048), (11, 1904823680), (16, 1309566280), (20, 1047653024), (22, 952411840), (32, 654783140), (40, 523826512), (44, 476205920), (55, 380964736), (64, 327391570), (80, 261913256), (88, 238102960), (110, 190482368), (128, 163695785), (160, 130956628), (176, 119051480), (220, 95241184), (320, 65478314), (352, 59525740), (379, 55285120), (440, 47620592), (640, 32739157), (704, 29762870), (758, 27642560), (880, 23810296), (1408, 14881435), (1516, 13821280), (1760, 11905148), (1895, 11057024), (3032, 6910640), (3520, 5952574), (3790, 5528512), (4169, 5025920), (6064, 3455320), (7040, 2976287), (7580, 2764256), (7853, 2668160), (8338, 2512960), (12128, 1727660), (15160, 1382128), (15706, 1334080), (16676, 1256480), (20845, 1005184), (24256, 863830), (30320, 691064), (31412, 667040), (33352, 628240), (39265, 533632), (41690, 502592), (48512, 431915), (60640, 345532), (62824, 333520), (66704, 314120), (78530, 266816), (83380, 251296), (86383, 242560), (121280, 172766), (125648, 166760), (133408, 157060)]