20425754

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1\times {\mathrm{487}}^1$

素因数の和:869

約数の個数: 16

約数和(自身を含む): 31259328

約数和(自身を除く): 10833574

約数列:

[1, 2, 67, 134, 313, 487, 626, 974, 20971, 32629, 41942, 65258, 152431, 304862, 10212877, 20425754]

約数ペア:

[(1, 20425754), (2, 10212877), (67, 304862), (134, 152431), (313, 65258), (487, 41942), (626, 32629), (974, 20971)]