20707476190

素因数分解:

$2^1\times 5^1\times {\mathrm{10477}}^1\times {\mathrm{197647}}^1$

素因数の和:208131

約数の個数: 16

約数和(自身を含む): 37277203392

約数和(自身を除く): 16569727202

約数列:

[1, 2, 5, 10, 10477, 20954, 52385, 104770, 197647, 395294, 988235, 1976470, 2070747619, 4141495238, 10353738095, 20707476190]

約数ペア:

[(1, 20707476190), (2, 10353738095), (5, 4141495238), (10, 2070747619), (10477, 1976470), (20954, 988235), (52385, 395294), (104770, 197647)]