20802259491

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31375957}}^1$

素因数の和:31375990

約数の個数: 16

約数和(自身を含む): 31626965664

約数和(自身を除く): 10824706173

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 31375957, 94127871, 407887441, 533391269, 1223662323, 1600173807, 6934086497, 20802259491]

約数ペア:

[(1, 20802259491), (3, 6934086497), (13, 1600173807), (17, 1223662323), (39, 533391269), (51, 407887441), (221, 94127871), (663, 31375957)]