20345354

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{1019}}^1$

素因数の和:1237

約数の個数: 16

約数和(自身を含む): 31212000

約数和(自身を除く): 10866646

約数列:

[1, 2, 67, 134, 149, 298, 1019, 2038, 9983, 19966, 68273, 136546, 151831, 303662, 10172677, 20345354]

約数ペア:

[(1, 20345354), (2, 10172677), (67, 303662), (134, 151831), (149, 136546), (298, 68273), (1019, 19966), (2038, 9983)]