20331272

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{195493}}^1$

素因数の和:195512

約数の個数: 16

約数和(自身を含む): 41053740

約数和(自身を除く): 20722468

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 195493, 390986, 781972, 1563944, 2541409, 5082818, 10165636, 20331272]

約数ペア:

[(1, 20331272), (2, 10165636), (4, 5082818), (8, 2541409), (13, 1563944), (26, 781972), (52, 390986), (104, 195493)]