20072148340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{996631}}^1$

素因数の和:996712

約数の個数: 48

約数和(自身を含む): 45207227520

約数和(自身を除く): 25135079180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 265, 380, 530, 1007, 1060, 2014, 4028, 5035, 10070, 20140, 996631, 1993262, 3986524, 4983155, 9966310, 18935989, 19932620, 37871978, 52821443, 75743956, 94679945, 105642886, 189359890, 211285772, 264107215, 378719780, 528214430, 1003607417, 1056428860, 2007214834, 4014429668, 5018037085, 10036074170, 20072148340]

約数ペア:

[(1, 20072148340), (2, 10036074170), (4, 5018037085), (5, 4014429668), (10, 2007214834), (19, 1056428860), (20, 1003607417), (38, 528214430), (53, 378719780), (76, 264107215), (95, 211285772), (106, 189359890), (190, 105642886), (212, 94679945), (265, 75743956), (380, 52821443), (530, 37871978), (1007, 19932620), (1060, 18935989), (2014, 9966310), (4028, 4983155), (5035, 3986524), (10070, 1993262), (20140, 996631)]