20050168327

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1\times {\mathrm{2711}}^1$

素因数の和:3459

約数の個数: 32

約数和(自身を含む): 24293965824

約数和(自身を除く): 4243797497

約数列:

[1, 7, 23, 71, 161, 497, 647, 1633, 2711, 4529, 11431, 14881, 18977, 45937, 62353, 104167, 192481, 321559, 436471, 1056551, 1347367, 1754017, 4427063, 7395857, 12278119, 30989441, 40342391, 124535207, 282396737, 871746449, 2864309761, 20050168327]

約数ペア:

[(1, 20050168327), (7, 2864309761), (23, 871746449), (71, 282396737), (161, 124535207), (497, 40342391), (647, 30989441), (1633, 12278119), (2711, 7395857), (4529, 4427063), (11431, 1754017), (14881, 1347367), (18977, 1056551), (45937, 436471), (62353, 321559), (104167, 192481)]