22213820

素因数分解:

$2^2\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{1069}}^1$

素因数の和:2117

約数の個数: 24

約数和(自身を含む): 46737600

約数和(自身を除く): 24523780

約数列:

[1, 2, 4, 5, 10, 20, 1039, 1069, 2078, 2138, 4156, 4276, 5195, 5345, 10390, 10690, 20780, 21380, 1110691, 2221382, 4442764, 5553455, 11106910, 22213820]

約数ペア:

[(1, 22213820), (2, 11106910), (4, 5553455), (5, 4442764), (10, 2221382), (20, 1110691), (1039, 21380), (1069, 20780), (2078, 10690), (2138, 10390), (4156, 5345), (4276, 5195)]