20541045

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{27947}}^1$

素因数の和:27969

約数の個数: 24

約数和(自身を含む): 38232864

約数和(自身を除く): 17691819

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 27947, 83841, 139735, 195629, 419205, 586887, 978145, 1369403, 2934435, 4108209, 6847015, 20541045]

約数ペア:

[(1, 20541045), (3, 6847015), (5, 4108209), (7, 2934435), (15, 1369403), (21, 978145), (35, 586887), (49, 419205), (105, 195629), (147, 139735), (245, 83841), (735, 27947)]