20478001570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{839}}^1\times {\mathrm{187751}}^1$

素因数の和:188610

約数の個数: 32

約数和(自身を含む): 39743343360

約数和(自身を除く): 19265341790

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 839, 1678, 4195, 8390, 10907, 21814, 54535, 109070, 187751, 375502, 938755, 1877510, 2440763, 4881526, 12203815, 24407630, 157523089, 315046178, 787615445, 1575230890, 2047800157, 4095600314, 10239000785, 20478001570]

約数ペア:

[(1, 20478001570), (2, 10239000785), (5, 4095600314), (10, 2047800157), (13, 1575230890), (26, 787615445), (65, 315046178), (130, 157523089), (839, 24407630), (1678, 12203815), (4195, 4881526), (8390, 2440763), (10907, 1877510), (21814, 938755), (54535, 375502), (109070, 187751)]