20320378

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{719}}^1\times {\mathrm{1087}}^1$

素因数の和:1821

約数の個数: 16

約数和(自身を含む): 32901120

約数和(自身を除く): 12580742

約数列:

[1, 2, 13, 26, 719, 1087, 1438, 2174, 9347, 14131, 18694, 28262, 781553, 1563106, 10160189, 20320378]

約数ペア:

[(1, 20320378), (2, 10160189), (13, 1563106), (26, 781553), (719, 28262), (1087, 18694), (1438, 14131), (2174, 9347)]