20158734245

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1\times {\mathrm{21799}}^1$

素因数の和:22205

約数の個数: 32

約数和(自身を含む): 26764819200

約数和(自身を除く): 6606084955

約数列:

[1, 5, 13, 41, 65, 205, 347, 533, 1735, 2665, 4511, 14227, 21799, 22555, 71135, 108995, 184951, 283387, 893759, 924755, 1416935, 4468795, 7564253, 11618867, 37821265, 58094335, 98335289, 310134373, 491676445, 1550671865, 4031746849, 20158734245]

約数ペア:

[(1, 20158734245), (5, 4031746849), (13, 1550671865), (41, 491676445), (65, 310134373), (205, 98335289), (347, 58094335), (533, 37821265), (1735, 11618867), (2665, 7564253), (4511, 4468795), (14227, 1416935), (21799, 924755), (22555, 893759), (71135, 283387), (108995, 184951)]