20898086

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{22091}}^1$

素因数の和:22147

約数の個数: 16

約数和(自身を含む): 34993728

約数和(自身を除く): 14095642

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 22091, 44182, 243001, 486002, 949913, 1899826, 10449043, 20898086]

約数ペア:

[(1, 20898086), (2, 10449043), (11, 1899826), (22, 949913), (43, 486002), (86, 243001), (473, 44182), (946, 22091)]