20087538565

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{24889}}^1$

素因数の和:25093

約数の個数: 32

約数和(自身を含む): 25691258880

約数和(自身を除く): 5603720315

約数列:

[1, 5, 31, 41, 127, 155, 205, 635, 1271, 3937, 5207, 6355, 19685, 24889, 26035, 124445, 161417, 771559, 807085, 1020449, 3160903, 3857795, 5102245, 15804515, 31633919, 97987993, 129597023, 158169595, 489939965, 647985115, 4017507713, 20087538565]

約数ペア:

[(1, 20087538565), (5, 4017507713), (31, 647985115), (41, 489939965), (127, 158169595), (155, 129597023), (205, 97987993), (635, 31633919), (1271, 15804515), (3937, 5102245), (5207, 3857795), (6355, 3160903), (19685, 1020449), (24889, 807085), (26035, 771559), (124445, 161417)]