20597810

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 38247552

約数和(自身を除く): 17649742

約数列:

[1, 2, 5, 10, 67, 71, 134, 142, 335, 355, 433, 670, 710, 866, 2165, 4330, 4757, 9514, 23785, 29011, 30743, 47570, 58022, 61486, 145055, 153715, 290110, 307430, 2059781, 4119562, 10298905, 20597810]

約数ペア:

[(1, 20597810), (2, 10298905), (5, 4119562), (10, 2059781), (67, 307430), (71, 290110), (134, 153715), (142, 145055), (335, 61486), (355, 58022), (433, 47570), (670, 30743), (710, 29011), (866, 23785), (2165, 9514), (4330, 4757)]