20323340

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7757}}^1$

素因数の和:7897

約数の個数: 24

約数和(自身を含む): 43010352

約数和(自身を除く): 22687012

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 7757, 15514, 31028, 38785, 77570, 155140, 1016167, 2032334, 4064668, 5080835, 10161670, 20323340]

約数ペア:

[(1, 20323340), (2, 10161670), (4, 5080835), (5, 4064668), (10, 2032334), (20, 1016167), (131, 155140), (262, 77570), (524, 38785), (655, 31028), (1310, 15514), (2620, 7757)]