20128276

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{7411}}^1$

素因数の和:7519

約数の個数: 24

約数和(自身を含む): 40677056

約数和(自身を除く): 20548780

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 388, 679, 1358, 2716, 7411, 14822, 29644, 51877, 103754, 207508, 718867, 1437734, 2875468, 5032069, 10064138, 20128276]

約数ペア:

[(1, 20128276), (2, 10064138), (4, 5032069), (7, 2875468), (14, 1437734), (28, 718867), (97, 207508), (194, 103754), (388, 51877), (679, 29644), (1358, 14822), (2716, 7411)]