20520765

素因数分解:

$3^2\times 5^1\times {\mathrm{593}}^1\times {\mathrm{769}}^1$

素因数の和:1373

約数の個数: 24

約数和(自身を含む): 35675640

約数和(自身を除く): 15154875

約数列:

[1, 3, 5, 9, 15, 45, 593, 769, 1779, 2307, 2965, 3845, 5337, 6921, 8895, 11535, 26685, 34605, 456017, 1368051, 2280085, 4104153, 6840255, 20520765]

約数ペア:

[(1, 20520765), (3, 6840255), (5, 4104153), (9, 2280085), (15, 1368051), (45, 456017), (593, 34605), (769, 26685), (1779, 11535), (2307, 8895), (2965, 6921), (3845, 5337)]