20349855

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23801}}^1$

素因数の和:23831

約数の個数: 24

約数和(自身を含む): 37131120

約数和(自身を除く): 16781265

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 23801, 71403, 119005, 214209, 357015, 452219, 1071045, 1356657, 2261095, 4069971, 6783285, 20349855]

約数ペア:

[(1, 20349855), (3, 6783285), (5, 4069971), (9, 2261095), (15, 1356657), (19, 1071045), (45, 452219), (57, 357015), (95, 214209), (171, 119005), (285, 71403), (855, 23801)]