20797894

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42101}}^1$

素因数の和:42135

約数の個数: 16

約数和(自身を含む): 35365680

約数和(自身を除く): 14567786

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 42101, 84202, 547313, 799919, 1094626, 1599838, 10398947, 20797894]

約数ペア:

[(1, 20797894), (2, 10398947), (13, 1599838), (19, 1094626), (26, 799919), (38, 547313), (247, 84202), (494, 42101)]