20894390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{189949}}^1$

素因数の和:189967

約数の個数: 16

約数和(自身を含む): 41029200

約数和(自身を除く): 20134810

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 189949, 379898, 949745, 1899490, 2089439, 4178878, 10447195, 20894390]

約数ペア:

[(1, 20894390), (2, 10447195), (5, 4178878), (10, 2089439), (11, 1899490), (22, 949745), (55, 379898), (110, 189949)]