20785572

素因数分解:

$2^2\times 3^4\times {\mathrm{64153}}^1$

素因数の和:64169

約数の個数: 30

約数和(自身を含む): 54338438

約数和(自身を除く): 33552866

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 64153, 128306, 192459, 256612, 384918, 577377, 769836, 1154754, 1732131, 2309508, 3464262, 5196393, 6928524, 10392786, 20785572]

約数ペア:

[(1, 20785572), (2, 10392786), (3, 6928524), (4, 5196393), (6, 3464262), (9, 2309508), (12, 1732131), (18, 1154754), (27, 769836), (36, 577377), (54, 384918), (81, 256612), (108, 192459), (162, 128306), (324, 64153)]