20346963

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{74531}}^1$

素因数の和:74554

約数の個数: 16

約数和(自身を含む): 33390336

約数和(自身を除く): 13043373

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 74531, 223593, 521717, 968903, 1565151, 2906709, 6782321, 20346963]

約数ペア:

[(1, 20346963), (3, 6782321), (7, 2906709), (13, 1565151), (21, 968903), (39, 521717), (91, 223593), (273, 74531)]