20365956

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43517}}^1$

素因数の和:43540

約数の個数: 36

約数和(自身を含む): 55441932

約数和(自身を除く): 35075976

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 43517, 87034, 130551, 174068, 261102, 391653, 522204, 565721, 783306, 1131442, 1566612, 1697163, 2262884, 3394326, 5091489, 6788652, 10182978, 20365956]

約数ペア:

[(1, 20365956), (2, 10182978), (3, 6788652), (4, 5091489), (6, 3394326), (9, 2262884), (12, 1697163), (13, 1566612), (18, 1131442), (26, 783306), (36, 565721), (39, 522204), (52, 391653), (78, 261102), (117, 174068), (156, 130551), (234, 87034), (468, 43517)]