20512142700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{1723}}^1\times {\mathrm{5669}}^1$

素因数の和:7416

約数の個数: 144

約数和(自身を含む): 67878155520

約数和(自身を除く): 47366012820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 1723, 2100, 3446, 5169, 5669, 6892, 8615, 10338, 11338, 12061, 17007, 17230, 20676, 22676, 24122, 25845, 28345, 34014, 34460, 36183, 39683, 43075, 48244, 51690, 56690, 60305, 68028, 72366, 79366, 85035, 86150, 103380, 113380, 119049, 120610, 129225, 141725, 144732, 158732, 170070, 172300, 180915, 198415, 238098, 241220, 258450, 283450, 301525, 340140, 361830, 396830, 425175, 476196, 516900, 566900, 595245, 603050, 723660, 793660, 850350, 904575, 992075, 1190490, 1206100, 1700700, 1809150, 1984150, 2380980, 2976225, 3618300, 3968300, 5952450, 9767687, 11904900, 19535374, 29303061, 39070748, 48838435, 58606122, 68373809, 97676870, 117212244, 136747618, 146515305, 195353740, 205121427, 244192175, 273495236, 293030610, 341869045, 410242854, 488384350, 586061220, 683738090, 732576525, 820485708, 976768700, 1025607135, 1367476180, 1465153050, 1709345225, 2051214270, 2930306100, 3418690450, 4102428540, 5128035675, 6837380900, 10256071350, 20512142700]

約数ペア:

[(1, 20512142700), (2, 10256071350), (3, 6837380900), (4, 5128035675), (5, 4102428540), (6, 3418690450), (7, 2930306100), (10, 2051214270), (12, 1709345225), (14, 1465153050), (15, 1367476180), (20, 1025607135), (21, 976768700), (25, 820485708), (28, 732576525), (30, 683738090), (35, 586061220), (42, 488384350), (50, 410242854), (60, 341869045), (70, 293030610), (75, 273495236), (84, 244192175), (100, 205121427), (105, 195353740), (140, 146515305), (150, 136747618), (175, 117212244), (210, 97676870), (300, 68373809), (350, 58606122), (420, 48838435), (525, 39070748), (700, 29303061), (1050, 19535374), (1723, 11904900), (2100, 9767687), (3446, 5952450), (5169, 3968300), (5669, 3618300), (6892, 2976225), (8615, 2380980), (10338, 1984150), (11338, 1809150), (12061, 1700700), (17007, 1206100), (17230, 1190490), (20676, 992075), (22676, 904575), (24122, 850350), (25845, 793660), (28345, 723660), (34014, 603050), (34460, 595245), (36183, 566900), (39683, 516900), (43075, 476196), (48244, 425175), (51690, 396830), (56690, 361830), (60305, 340140), (68028, 301525), (72366, 283450), (79366, 258450), (85035, 241220), (86150, 238098), (103380, 198415), (113380, 180915), (119049, 172300), (120610, 170070), (129225, 158732), (141725, 144732)]