20457135

素因数分解:

$3^2\times 5^1\times {\mathrm{454603}}^1$

素因数の和:454614

約数の個数: 12

約数和(自身を含む): 35459112

約数和(自身を除く): 15001977

約数列:

[1, 3, 5, 9, 15, 45, 454603, 1363809, 2273015, 4091427, 6819045, 20457135]

約数ペア:

[(1, 20457135), (3, 6819045), (5, 4091427), (9, 2273015), (15, 1363809), (45, 454603)]