20380084

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{1171}}^1$

素因数の和:1423

約数の個数: 24

約数和(自身を含む): 37738400

約数和(自身を除く): 17358316

約数列:

[1, 2, 4, 19, 38, 76, 229, 458, 916, 1171, 2342, 4351, 4684, 8702, 17404, 22249, 44498, 88996, 268159, 536318, 1072636, 5095021, 10190042, 20380084]

約数ペア:

[(1, 20380084), (2, 10190042), (4, 5095021), (19, 1072636), (38, 536318), (76, 268159), (229, 88996), (458, 44498), (916, 22249), (1171, 17404), (2342, 8702), (4351, 4684)]