20161097648

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{29303921}}^1$

素因数の和:29303972

約数の個数: 20

約数和(自身を含む): 39970549608

約数和(自身を除く): 19809451960

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 29303921, 58607842, 117215684, 234431368, 468862736, 1260068603, 2520137206, 5040274412, 10080548824, 20161097648]

約数ペア:

[(1, 20161097648), (2, 10080548824), (4, 5040274412), (8, 2520137206), (16, 1260068603), (43, 468862736), (86, 234431368), (172, 117215684), (344, 58607842), (688, 29303921)]