20800572

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{133337}}^1$

素因数の和:133357

約数の個数: 24

約数和(自身を含む): 52268496

約数和(自身を除く): 31467924

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 133337, 266674, 400011, 533348, 800022, 1600044, 1733381, 3466762, 5200143, 6933524, 10400286, 20800572]

約数ペア:

[(1, 20800572), (2, 10400286), (3, 6933524), (4, 5200143), (6, 3466762), (12, 1733381), (13, 1600044), (26, 800022), (39, 533348), (52, 400011), (78, 266674), (156, 133337)]