20459499

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{499}}^1$

素因数の和:754

約数の個数: 16

約数和(自身を含む): 27840000

約数和(自身を除く): 7380501

約数列:

[1, 3, 79, 173, 237, 499, 519, 1497, 13667, 39421, 41001, 86327, 118263, 258981, 6819833, 20459499]

約数ペア:

[(1, 20459499), (3, 6819833), (79, 258981), (173, 118263), (237, 86327), (499, 41001), (519, 39421), (1497, 13667)]