20907512

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{36809}}^1$

素因数の和:36886

約数の個数: 16

約数和(自身を含む): 39754800

約数和(自身を除く): 18847288

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 36809, 73618, 147236, 294472, 2613439, 5226878, 10453756, 20907512]

約数ペア:

[(1, 20907512), (2, 10453756), (4, 5226878), (8, 2613439), (71, 294472), (142, 147236), (284, 73618), (568, 36809)]