20179929

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{87359}}^1$

素因数の和:87380

約数の個数: 16

約数和(自身を含む): 33546240

約数和(自身を除く): 13366311

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 87359, 262077, 611513, 960949, 1834539, 2882847, 6726643, 20179929]

約数ペア:

[(1, 20179929), (3, 6726643), (7, 2882847), (11, 1834539), (21, 960949), (33, 611513), (77, 262077), (231, 87359)]