20090218

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1\times {\mathrm{479}}^1$

素因数の和:861

約数の個数: 16

約数和(自身を含む): 30746880

約数和(自身を除く): 10656662

約数列:

[1, 2, 67, 134, 313, 479, 626, 958, 20971, 32093, 41942, 64186, 149927, 299854, 10045109, 20090218]

約数ペア:

[(1, 20090218), (2, 10045109), (67, 299854), (134, 149927), (313, 64186), (479, 41942), (626, 32093), (958, 20971)]