20744740

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{6211}}^1$

素因数の和:6387

約数の個数: 24

約数和(自身を含む): 43831872

約数和(自身を除く): 23087132

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 6211, 12422, 24844, 31055, 62110, 124220, 1037237, 2074474, 4148948, 5186185, 10372370, 20744740]

約数ペア:

[(1, 20744740), (2, 10372370), (4, 5186185), (5, 4148948), (10, 2074474), (20, 1037237), (167, 124220), (334, 62110), (668, 31055), (835, 24844), (1670, 12422), (3340, 6211)]