20495709

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{619}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 32046560

約数和(自身を除く): 11550851

約数列:

[1, 3, 9, 13, 39, 117, 283, 619, 849, 1857, 2547, 3679, 5571, 8047, 11037, 24141, 33111, 72423, 175177, 525531, 1576593, 2277301, 6831903, 20495709]

約数ペア:

[(1, 20495709), (3, 6831903), (9, 2277301), (13, 1576593), (39, 525531), (117, 175177), (283, 72423), (619, 33111), (849, 24141), (1857, 11037), (2547, 8047), (3679, 5571)]