20158794351

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{256483}}^1$

素因数の和:256604

約数の個数: 32

約数和(自身を含む): 31024304640

約数和(自身を除く): 10865510289

約数列:

[1, 3, 9, 27, 41, 71, 123, 213, 369, 639, 1107, 1917, 2911, 8733, 26199, 78597, 256483, 769449, 2308347, 6925041, 10515803, 18210293, 31547409, 54630879, 94642227, 163892637, 283926681, 491677911, 746622013, 2239866039, 6719598117, 20158794351]

約数ペア:

[(1, 20158794351), (3, 6719598117), (9, 2239866039), (27, 746622013), (41, 491677911), (71, 283926681), (123, 163892637), (213, 94642227), (369, 54630879), (639, 31547409), (1107, 18210293), (1917, 10515803), (2911, 6925041), (8733, 2308347), (26199, 769449), (78597, 256483)]