20189184477

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{235577}}^1$

素因数の和:235658

約数の個数: 48

約数和(自身を含む): 34805236032

約数和(自身を除く): 14616051555

約数列:

[1, 3, 7, 11, 21, 33, 49, 53, 77, 147, 159, 231, 371, 539, 583, 1113, 1617, 1749, 2597, 4081, 7791, 12243, 28567, 85701, 235577, 706731, 1649039, 2591347, 4947117, 7774041, 11543273, 12485581, 18139429, 34629819, 37456743, 54418287, 87399067, 126976003, 137341391, 262197201, 380928009, 412024173, 611793469, 961389737, 1835380407, 2884169211, 6729728159, 20189184477]

約数ペア:

[(1, 20189184477), (3, 6729728159), (7, 2884169211), (11, 1835380407), (21, 961389737), (33, 611793469), (49, 412024173), (53, 380928009), (77, 262197201), (147, 137341391), (159, 126976003), (231, 87399067), (371, 54418287), (539, 37456743), (583, 34629819), (1113, 18139429), (1617, 12485581), (1749, 11543273), (2597, 7774041), (4081, 4947117), (7791, 2591347), (12243, 1649039), (28567, 706731), (85701, 235577)]