20163940689

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{617}}^1\times {\mathrm{647}}^1$

素因数の和:1529

約数の個数: 32

約数和(自身を含む): 27391737600

約数和(自身を除く): 7227796911

約数列:

[1, 3, 113, 149, 339, 447, 617, 647, 1851, 1941, 16837, 50511, 69721, 73111, 91933, 96403, 209163, 219333, 275799, 289209, 399199, 1197597, 10388429, 10893539, 31165287, 32680617, 45109487, 59480651, 135328461, 178441953, 6721313563, 20163940689]

約数ペア:

[(1, 20163940689), (3, 6721313563), (113, 178441953), (149, 135328461), (339, 59480651), (447, 45109487), (617, 32680617), (647, 31165287), (1851, 10893539), (1941, 10388429), (16837, 1197597), (50511, 399199), (69721, 289209), (73111, 275799), (91933, 219333), (96403, 209163)]