20446869

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{21101}}^1$

素因数の和:21140

約数の個数: 16

約数和(自身を含む): 30386880

約数和(自身を除く): 9940011

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 21101, 63303, 358717, 400919, 1076151, 1202757, 6815623, 20446869]

約数ペア:

[(1, 20446869), (3, 6815623), (17, 1202757), (19, 1076151), (51, 400919), (57, 358717), (323, 63303), (969, 21101)]