20724756

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{132851}}^1$

素因数の和:132871

約数の個数: 24

約数和(自身を含む): 52077984

約数和(自身を除く): 31353228

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 132851, 265702, 398553, 531404, 797106, 1594212, 1727063, 3454126, 5181189, 6908252, 10362378, 20724756]

約数ペア:

[(1, 20724756), (2, 10362378), (3, 6908252), (4, 5181189), (6, 3454126), (12, 1727063), (13, 1594212), (26, 797106), (39, 531404), (52, 398553), (78, 265702), (156, 132851)]