20744674

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{1039}}^1$

素因数の和:1257

約数の個数: 16

約数和(自身を含む): 31824000

約数和(自身を除く): 11079326

約数列:

[1, 2, 67, 134, 149, 298, 1039, 2078, 9983, 19966, 69613, 139226, 154811, 309622, 10372337, 20744674]

約数ペア:

[(1, 20744674), (2, 10372337), (67, 309622), (134, 154811), (149, 139226), (298, 69613), (1039, 19966), (2078, 9983)]