20115142

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{3491}}^1$

素因数の和:3603

約数の個数: 16

約数和(自身を含む): 31344192

約数和(自身を除く): 11229050

約数列:

[1, 2, 43, 67, 86, 134, 2881, 3491, 5762, 6982, 150113, 233897, 300226, 467794, 10057571, 20115142]

約数ペア:

[(1, 20115142), (2, 10057571), (43, 467794), (67, 300226), (86, 233897), (134, 150113), (2881, 6982), (3491, 5762)]