20121247998

素因数分解:

$2^1\times 3^2\times {\mathrm{151}}^1\times {\mathrm{7402961}}^1$

素因数の和:7403120

約数の個数: 24

約数和(自身を含む): 43884758736

約数和(自身を除く): 23763510738

約数列:

[1, 2, 3, 6, 9, 18, 151, 302, 453, 906, 1359, 2718, 7402961, 14805922, 22208883, 44417766, 66626649, 133253298, 1117847111, 2235694222, 3353541333, 6707082666, 10060623999, 20121247998]

約数ペア:

[(1, 20121247998), (2, 10060623999), (3, 6707082666), (6, 3353541333), (9, 2235694222), (18, 1117847111), (151, 133253298), (302, 66626649), (453, 44417766), (906, 22208883), (1359, 14805922), (2718, 7402961)]