20149195

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{3361}}^1$

素因数の和:3486

約数の個数: 16

約数和(自身を含む): 26627040

約数和(自身を除く): 6477845

約数列:

[1, 5, 11, 55, 109, 545, 1199, 3361, 5995, 16805, 36971, 184855, 366349, 1831745, 4029839, 20149195]

約数ペア:

[(1, 20149195), (5, 4029839), (11, 1831745), (55, 366349), (109, 184855), (545, 36971), (1199, 16805), (3361, 5995)]