20015185

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1607}}^1$

素因数の和:1712

約数の個数: 16

約数和(自身を含む): 25007616

約数和(自身を除く): 4992431

約数列:

[1, 5, 47, 53, 235, 265, 1607, 2491, 8035, 12455, 75529, 85171, 377645, 425855, 4003037, 20015185]

約数ペア:

[(1, 20015185), (5, 4003037), (47, 425855), (53, 377645), (235, 85171), (265, 75529), (1607, 12455), (2491, 8035)]