20778692

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{27779}}^1$

素因数の和:27811

約数の個数: 24

約数和(自身を含む): 42003360

約数和(自身を除く): 21224668

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 27779, 55558, 111116, 305569, 472243, 611138, 944486, 1222276, 1888972, 5194673, 10389346, 20778692]

約数ペア:

[(1, 20778692), (2, 10389346), (4, 5194673), (11, 1888972), (17, 1222276), (22, 944486), (34, 611138), (44, 472243), (68, 305569), (187, 111116), (374, 55558), (748, 27779)]