20395418109

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{887}}^1\times {\mathrm{2411}}^1$

素因数の和:3346

約数の個数: 48

約数和(自身を含む): 31562390016

約数和(自身を除く): 11166971907

約数列:

[1, 3, 11, 17, 33, 51, 187, 289, 561, 867, 887, 2411, 2661, 3179, 7233, 9537, 9757, 15079, 26521, 29271, 40987, 45237, 79563, 122961, 165869, 256343, 450857, 497607, 696779, 769029, 1352571, 2090337, 2138557, 2819773, 6415671, 7664569, 8459319, 22993707, 23524127, 36355469, 70572381, 109066407, 399910159, 618042973, 1199730477, 1854128919, 6798472703, 20395418109]

約数ペア:

[(1, 20395418109), (3, 6798472703), (11, 1854128919), (17, 1199730477), (33, 618042973), (51, 399910159), (187, 109066407), (289, 70572381), (561, 36355469), (867, 23524127), (887, 22993707), (2411, 8459319), (2661, 7664569), (3179, 6415671), (7233, 2819773), (9537, 2138557), (9757, 2090337), (15079, 1352571), (26521, 769029), (29271, 696779), (40987, 497607), (45237, 450857), (79563, 256343), (122961, 165869)]