20776725

素因数分解:

$3^2\times 5^2\times {\mathrm{107}}^1\times {\mathrm{863}}^1$

素因数の和:986

約数の個数: 36

約数和(自身を含む): 37604736

約数和(自身を除く): 16828011

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 107, 225, 321, 535, 863, 963, 1605, 2589, 2675, 4315, 4815, 7767, 8025, 12945, 21575, 24075, 38835, 64725, 92341, 194175, 277023, 461705, 831069, 1385115, 2308525, 4155345, 6925575, 20776725]

約数ペア:

[(1, 20776725), (3, 6925575), (5, 4155345), (9, 2308525), (15, 1385115), (25, 831069), (45, 461705), (75, 277023), (107, 194175), (225, 92341), (321, 64725), (535, 38835), (863, 24075), (963, 21575), (1605, 12945), (2589, 8025), (2675, 7767), (4315, 4815)]