20538596

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5563}}^1$

素因数の和:5651

約数の個数: 24

約数和(自身を含む): 39259584

約数和(自身を除く): 18720988

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 5563, 11126, 22252, 72319, 144638, 289276, 394973, 789946, 1579892, 5134649, 10269298, 20538596]

約数ペア:

[(1, 20538596), (2, 10269298), (4, 5134649), (13, 1579892), (26, 789946), (52, 394973), (71, 289276), (142, 144638), (284, 72319), (923, 22252), (1846, 11126), (3692, 5563)]