20181275135

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{25069907}}^1$

素因数の和:25069942

約数の個数: 16

約数和(自身を含む): 28880534016

約数和(自身を除く): 8699258881

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 25069907, 125349535, 175489349, 576607861, 877446745, 2883039305, 4036255027, 20181275135]

約数ペア:

[(1, 20181275135), (5, 4036255027), (7, 2883039305), (23, 877446745), (35, 576607861), (115, 175489349), (161, 125349535), (805, 25069907)]