20273085

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{7151}}^1$

素因数の和:7175

約数の個数: 40

約数和(自身を含む): 41538816

約数和(自身を除く): 21265731

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 7151, 21453, 35755, 50057, 64359, 107265, 150171, 193077, 250285, 321795, 450513, 579231, 750855, 965385, 1351539, 2252565, 2896155, 4054617, 6757695, 20273085]

約数ペア:

[(1, 20273085), (3, 6757695), (5, 4054617), (7, 2896155), (9, 2252565), (15, 1351539), (21, 965385), (27, 750855), (35, 579231), (45, 450513), (63, 321795), (81, 250285), (105, 193077), (135, 150171), (189, 107265), (315, 64359), (405, 50057), (567, 35755), (945, 21453), (2835, 7151)]