20117770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{105883}}^1$

素因数の和:105909

約数の個数: 16

約数和(自身を含む): 38118240

約数和(自身を除く): 18000470

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 105883, 211766, 529415, 1058830, 2011777, 4023554, 10058885, 20117770]

約数ペア:

[(1, 20117770), (2, 10058885), (5, 4023554), (10, 2011777), (19, 1058830), (38, 529415), (95, 211766), (190, 105883)]