20177243513

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{1069}}^1\times {\mathrm{86981}}^1$

素因数の和:88088

約数の個数: 16

約数和(自身を含む): 23826109440

約数和(自身を除く): 3648865927

約数列:

[1, 7, 31, 217, 1069, 7483, 33139, 86981, 231973, 608867, 2696411, 18874877, 92982689, 650878823, 2882463359, 20177243513]

約数ペア:

[(1, 20177243513), (7, 2882463359), (31, 650878823), (217, 92982689), (1069, 18874877), (7483, 2696411), (33139, 608867), (86981, 231973)]