20162940245

素因数分解:

$5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{898727}}^1$

素因数の和:899380

約数の個数: 16

約数和(自身を含む): 27695202048

約数和(自身を除く): 7532261803

約数列:

[1, 5, 7, 35, 641, 3205, 4487, 22435, 898727, 4493635, 6291089, 31455445, 576084007, 2880420035, 4032588049, 20162940245]

約数ペア:

[(1, 20162940245), (5, 4032588049), (7, 2880420035), (35, 576084007), (641, 31455445), (3205, 6291089), (4487, 4493635), (22435, 898727)]