20057685

素因数分解:

$3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{12497}}^1$

素因数の和:12612

約数の個数: 16

約数和(自身を含む): 32394816

約数和(自身を除く): 12337131

約数列:

[1, 3, 5, 15, 107, 321, 535, 1605, 12497, 37491, 62485, 187455, 1337179, 4011537, 6685895, 20057685]

約数ペア:

[(1, 20057685), (3, 6685895), (5, 4011537), (15, 1337179), (107, 187455), (321, 62485), (535, 37491), (1605, 12497)]