20603908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{2053}}^1$

素因数の和:2263

約数の個数: 24

約数和(自身を含む): 39050648

約数和(自身を除く): 18446740

約数列:

[1, 2, 4, 13, 26, 52, 193, 386, 772, 2053, 2509, 4106, 5018, 8212, 10036, 26689, 53378, 106756, 396229, 792458, 1584916, 5150977, 10301954, 20603908]

約数ペア:

[(1, 20603908), (2, 10301954), (4, 5150977), (13, 1584916), (26, 792458), (52, 396229), (193, 106756), (386, 53378), (772, 26689), (2053, 10036), (2509, 8212), (4106, 5018)]