20178218

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{541}}^1\times {\mathrm{1097}}^1$

素因数の和:1657

約数の個数: 16

約数和(自身を含む): 32136264

約数和(自身を除く): 11958046

約数列:

[1, 2, 17, 34, 541, 1082, 1097, 2194, 9197, 18394, 18649, 37298, 593477, 1186954, 10089109, 20178218]

約数ペア:

[(1, 20178218), (2, 10089109), (17, 1186954), (34, 593477), (541, 37298), (1082, 18649), (1097, 18394), (2194, 9197)]