20875990

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{44417}}^1$

素因数の和:44471

約数の個数: 16

約数和(自身を含む): 38377152

約数和(自身を除く): 17501162

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 44417, 88834, 222085, 444170, 2087599, 4175198, 10437995, 20875990]

約数ペア:

[(1, 20875990), (2, 10437995), (5, 4175198), (10, 2087599), (47, 444170), (94, 222085), (235, 88834), (470, 44417)]