20067974

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{4831}}^1$

素因数の和:4931

約数の個数: 16

約数和(自身を含む): 31543296

約数和(自身を除く): 11475322

約数列:

[1, 2, 31, 62, 67, 134, 2077, 4154, 4831, 9662, 149761, 299522, 323677, 647354, 10033987, 20067974]

約数ペア:

[(1, 20067974), (2, 10033987), (31, 647354), (62, 323677), (67, 299522), (134, 149761), (2077, 9662), (4154, 4831)]