20136488720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1021}}^1\times {\mathrm{8501}}^1$

素因数の和:9564

約数の個数: 80

約数和(自身を含む): 48484865520

約数和(自身を除く): 28348376800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1021, 1160, 2042, 2320, 4084, 5105, 8168, 8501, 10210, 16336, 17002, 20420, 29609, 34004, 40840, 42505, 59218, 68008, 81680, 85010, 118436, 136016, 148045, 170020, 236872, 246529, 296090, 340040, 473744, 493058, 592180, 680080, 986116, 1184360, 1232645, 1972232, 2368720, 2465290, 3944464, 4930580, 8679521, 9861160, 17359042, 19722320, 34718084, 43397605, 69436168, 86795210, 138872336, 173590420, 251706109, 347180840, 503412218, 694361680, 1006824436, 1258530545, 2013648872, 2517061090, 4027297744, 5034122180, 10068244360, 20136488720]

約数ペア:

[(1, 20136488720), (2, 10068244360), (4, 5034122180), (5, 4027297744), (8, 2517061090), (10, 2013648872), (16, 1258530545), (20, 1006824436), (29, 694361680), (40, 503412218), (58, 347180840), (80, 251706109), (116, 173590420), (145, 138872336), (232, 86795210), (290, 69436168), (464, 43397605), (580, 34718084), (1021, 19722320), (1160, 17359042), (2042, 9861160), (2320, 8679521), (4084, 4930580), (5105, 3944464), (8168, 2465290), (8501, 2368720), (10210, 1972232), (16336, 1232645), (17002, 1184360), (20420, 986116), (29609, 680080), (34004, 592180), (40840, 493058), (42505, 473744), (59218, 340040), (68008, 296090), (81680, 246529), (85010, 236872), (118436, 170020), (136016, 148045)]