20951252

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{32533}}^1$

素因数の和:32567

約数の個数: 24

約数和(自身を含む): 43725696

約数和(自身を除く): 22774444

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 32533, 65066, 130132, 227731, 455462, 748259, 910924, 1496518, 2993036, 5237813, 10475626, 20951252]

約数ペア:

[(1, 20951252), (2, 10475626), (4, 5237813), (7, 2993036), (14, 1496518), (23, 910924), (28, 748259), (46, 455462), (92, 227731), (161, 130132), (322, 65066), (644, 32533)]