20960380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149717}}^1$

素因数の和:149733

約数の個数: 24

約数和(自身を含む): 50305248

約数和(自身を除く): 29344868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149717, 299434, 598868, 748585, 1048019, 1497170, 2096038, 2994340, 4192076, 5240095, 10480190, 20960380]

約数ペア:

[(1, 20960380), (2, 10480190), (4, 5240095), (5, 4192076), (7, 2994340), (10, 2096038), (14, 1497170), (20, 1048019), (28, 748585), (35, 598868), (70, 299434), (140, 149717)]