20940314

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^2$

素因数の和:242

約数の個数: 24

約数和(自身を含む): 33377664

約数和(自身を除く): 12437350

約数列:

[1, 2, 31, 62, 67, 71, 134, 142, 2077, 2201, 4154, 4402, 4757, 5041, 9514, 10082, 147467, 156271, 294934, 312542, 337747, 675494, 10470157, 20940314]

約数ペア:

[(1, 20940314), (2, 10470157), (31, 675494), (62, 337747), (67, 312542), (71, 294934), (134, 156271), (142, 147467), (2077, 10082), (2201, 9514), (4154, 5041), (4402, 4757)]