20857764

素因数分解:

$2^2\times 3^1\times {\mathrm{157}}^1\times {\mathrm{11071}}^1$

素因数の和:11235

約数の個数: 24

約数和(自身を含む): 48982528

約数和(自身を除く): 28124764

約数列:

[1, 2, 3, 4, 6, 12, 157, 314, 471, 628, 942, 1884, 11071, 22142, 33213, 44284, 66426, 132852, 1738147, 3476294, 5214441, 6952588, 10428882, 20857764]

約数ペア:

[(1, 20857764), (2, 10428882), (3, 6952588), (4, 5214441), (6, 3476294), (12, 1738147), (157, 132852), (314, 66426), (471, 44284), (628, 33213), (942, 22142), (1884, 11071)]