20471185

素因数分解:

$5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{5791}}^1$

素因数の和:5904

約数の個数: 16

約数和(自身を含む): 28357632

約数和(自身を除く): 7886447

約数列:

[1, 5, 7, 35, 101, 505, 707, 3535, 5791, 28955, 40537, 202685, 584891, 2924455, 4094237, 20471185]

約数ペア:

[(1, 20471185), (5, 4094237), (7, 2924455), (35, 584891), (101, 202685), (505, 40537), (707, 28955), (3535, 5791)]