20121247140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7798933}}^1$

素因数の和:7798988

約数の個数: 48

約数和(自身を含む): 57649720128

約数和(自身を除く): 37528472988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 7798933, 15597866, 23396799, 31195732, 38994665, 46793598, 77989330, 93587196, 116983995, 155978660, 233967990, 335354119, 467935980, 670708238, 1006062357, 1341416476, 1676770595, 2012124714, 3353541190, 4024249428, 5030311785, 6707082380, 10060623570, 20121247140]

約数ペア:

[(1, 20121247140), (2, 10060623570), (3, 6707082380), (4, 5030311785), (5, 4024249428), (6, 3353541190), (10, 2012124714), (12, 1676770595), (15, 1341416476), (20, 1006062357), (30, 670708238), (43, 467935980), (60, 335354119), (86, 233967990), (129, 155978660), (172, 116983995), (215, 93587196), (258, 77989330), (430, 46793598), (516, 38994665), (645, 31195732), (860, 23396799), (1290, 15597866), (2580, 7798933)]