20168993642

素因数分解:

$2^1\times 7^1\times {\mathrm{1229}}^1\times {\mathrm{1172207}}^1$

素因数の和:1173445

約数の個数: 16

約数和(自身を含む): 34603580160

約数和(自身を除く): 14434586518

約数列:

[1, 2, 7, 14, 1229, 2458, 8603, 17206, 1172207, 2344414, 8205449, 16410898, 1440642403, 2881284806, 10084496821, 20168993642]

約数ペア:

[(1, 20168993642), (2, 10084496821), (7, 2881284806), (14, 1440642403), (1229, 16410898), (2458, 8205449), (8603, 2344414), (17206, 1172207)]