20910645

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{66383}}^1$

素因数の和:66401

約数の個数: 24

約数和(自身を含む): 41423616

約数和(自身を除く): 20512971

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 66383, 199149, 331915, 464681, 597447, 995745, 1394043, 2323405, 2987235, 4182129, 6970215, 20910645]

約数ペア:

[(1, 20910645), (3, 6970215), (5, 4182129), (7, 2987235), (9, 2323405), (15, 1394043), (21, 995745), (35, 597447), (45, 464681), (63, 331915), (105, 199149), (315, 66383)]