20862831

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{4243}}^1$

素因数の和:4406

約数の個数: 16

約数和(自身を含む): 30556800

約数和(自身を除く): 9693969

約数列:

[1, 3, 11, 33, 149, 447, 1639, 4243, 4917, 12729, 46673, 140019, 632207, 1896621, 6954277, 20862831]

約数ペア:

[(1, 20862831), (3, 6954277), (11, 1896621), (33, 632207), (149, 140019), (447, 46673), (1639, 12729), (4243, 4917)]