20161593

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{563}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 30618432

約数和(自身を除く): 10456839

約数列:

[1, 3, 9, 23, 69, 173, 207, 519, 563, 1557, 1689, 3979, 5067, 11937, 12949, 35811, 38847, 97399, 116541, 292197, 876591, 2240177, 6720531, 20161593]

約数ペア:

[(1, 20161593), (3, 6720531), (9, 2240177), (23, 876591), (69, 292197), (173, 116541), (207, 97399), (519, 38847), (563, 35811), (1557, 12949), (1689, 11937), (3979, 5067)]