20270391

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{1543}}^1$

素因数の和:1726

約数の個数: 16

約数和(自身を含む): 28162560

約数和(自身を除く): 7892169

約数列:

[1, 3, 29, 87, 151, 453, 1543, 4379, 4629, 13137, 44747, 134241, 232993, 698979, 6756797, 20270391]

約数ペア:

[(1, 20270391), (3, 6756797), (29, 698979), (87, 232993), (151, 134241), (453, 44747), (1543, 13137), (4379, 4629)]