20179978

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{110879}}^1$

素因数の和:110901

約数の個数: 16

約数和(自身を含む): 37255680

約数和(自身を除く): 17075702

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 110879, 221758, 776153, 1441427, 1552306, 2882854, 10089989, 20179978]

約数ペア:

[(1, 20179978), (2, 10089989), (7, 2882854), (13, 1552306), (14, 1441427), (26, 776153), (91, 221758), (182, 110879)]