12820518

素因数分解:

$2^1\times 3^4\times {\mathrm{79139}}^1$

素因数の和:79153

約数の個数: 20

約数和(自身を含む): 28727820

約数和(自身を除く): 15907302

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 79139, 158278, 237417, 474834, 712251, 1424502, 2136753, 4273506, 6410259, 12820518]

約数ペア:

[(1, 12820518), (2, 6410259), (3, 4273506), (6, 2136753), (9, 1424502), (18, 712251), (27, 474834), (54, 237417), (81, 158278), (162, 79139)]