20568339

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{557}}^1$

素因数の和:947

約数の個数: 24

約数和(自身を含む): 32555952

約数和(自身を除く): 11987613

約数列:

[1, 3, 9, 11, 33, 99, 373, 557, 1119, 1671, 3357, 4103, 5013, 6127, 12309, 18381, 36927, 55143, 207761, 623283, 1869849, 2285371, 6856113, 20568339]

約数ペア:

[(1, 20568339), (3, 6856113), (9, 2285371), (11, 1869849), (33, 623283), (99, 207761), (373, 55143), (557, 36927), (1119, 18381), (1671, 12309), (3357, 6127), (4103, 5013)]