20012835

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{28387}}^1$

素因数の和:28442

約数の個数: 16

約数和(自身を含む): 32702976

約数和(自身を除く): 12690141

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 28387, 85161, 141935, 425805, 1334189, 4002567, 6670945, 20012835]

約数ペア:

[(1, 20012835), (3, 6670945), (5, 4002567), (15, 1334189), (47, 425805), (141, 141935), (235, 85161), (705, 28387)]