20178690579

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{862669}}^1$

素因数の和:862811

約数の個数: 24

約数和(自身を含む): 30683446560

約数和(自身を除く): 10504755981

約数列:

[1, 3, 9, 23, 69, 113, 207, 339, 1017, 2599, 7797, 23391, 862669, 2588007, 7764021, 19841387, 59524161, 97481597, 178572483, 292444791, 877334373, 2242076731, 6726230193, 20178690579]

約数ペア:

[(1, 20178690579), (3, 6726230193), (9, 2242076731), (23, 877334373), (69, 292444791), (113, 178572483), (207, 97481597), (339, 59524161), (1017, 19841387), (2599, 7764021), (7797, 2588007), (23391, 862669)]