20199621370

素因数分解:

$2^1\times 5^1\times {\mathrm{839}}^1\times {\mathrm{2407583}}^1$

素因数の和:2408429

約数の個数: 16

約数和(自身を含む): 36402670080

約数和(自身を除く): 16203048710

約数列:

[1, 2, 5, 10, 839, 1678, 4195, 8390, 2407583, 4815166, 12037915, 24075830, 2019962137, 4039924274, 10099810685, 20199621370]

約数ペア:

[(1, 20199621370), (2, 10099810685), (5, 4039924274), (10, 2019962137), (839, 24075830), (1678, 12037915), (4195, 4815166), (8390, 2407583)]