20455509

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{1013}}^1$

素因数の和:1196

約数の個数: 16

約数和(自身を含む): 28035072

約数和(自身を除く): 7579563

約数列:

[1, 3, 53, 127, 159, 381, 1013, 3039, 6731, 20193, 53689, 128651, 161067, 385953, 6818503, 20455509]

約数ペア:

[(1, 20455509), (3, 6818503), (53, 385953), (127, 161067), (159, 128651), (381, 53689), (1013, 20193), (3039, 6731)]