20004165

素因数分解:

$3^4\times 5^1\times {\mathrm{49393}}^1$

素因数の和:49410

約数の個数: 20

約数和(自身を含む): 35860044

約数和(自身を除く): 15855879

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49393, 148179, 246965, 444537, 740895, 1333611, 2222685, 4000833, 6668055, 20004165]

約数ペア:

[(1, 20004165), (3, 6668055), (5, 4000833), (9, 2222685), (15, 1333611), (27, 740895), (45, 444537), (81, 246965), (135, 148179), (405, 49393)]