20674563

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{75731}}^1$

素因数の和:75754

約数の個数: 16

約数和(自身を含む): 33927936

約数和(自身を除く): 13253373

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 75731, 227193, 530117, 984503, 1590351, 2953509, 6891521, 20674563]

約数ペア:

[(1, 20674563), (3, 6891521), (7, 2953509), (13, 1590351), (21, 984503), (39, 530117), (91, 227193), (273, 75731)]