20508645

素因数分解:

$3^1\times 5^1\times {\mathrm{877}}^1\times {\mathrm{1559}}^1$

素因数の和:2444

約数の個数: 16

約数和(自身を含む): 32872320

約数和(自身を除く): 12363675

約数列:

[1, 3, 5, 15, 877, 1559, 2631, 4385, 4677, 7795, 13155, 23385, 1367243, 4101729, 6836215, 20508645]

約数ペア:

[(1, 20508645), (3, 6836215), (5, 4101729), (15, 1367243), (877, 23385), (1559, 13155), (2631, 7795), (4385, 4677)]