20944006

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1867}}^1$

素因数の和:2019

約数の個数: 16

約数和(自身を含む): 32279040

約数和(自身を除く): 11335034

約数列:

[1, 2, 71, 79, 142, 158, 1867, 3734, 5609, 11218, 132557, 147493, 265114, 294986, 10472003, 20944006]

約数ペア:

[(1, 20944006), (2, 10472003), (71, 294986), (79, 265114), (142, 147493), (158, 132557), (1867, 11218), (3734, 5609)]