20409869961

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1273309}}^1$

素因数の和:1273465

約数の個数: 24

約数和(自身を含む): 31980453960

約数和(自身を除く): 11570583999

約数列:

[1, 3, 9, 13, 39, 117, 137, 411, 1233, 1781, 5343, 16029, 1273309, 3819927, 11459781, 16553017, 49659051, 148977153, 174443333, 523329999, 1569989997, 2267763329, 6803289987, 20409869961]

約数ペア:

[(1, 20409869961), (3, 6803289987), (9, 2267763329), (13, 1569989997), (39, 523329999), (117, 174443333), (137, 148977153), (411, 49659051), (1233, 16553017), (1781, 11459781), (5343, 3819927), (16029, 1273309)]