20312558

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{10909}}^1$

素因数の和:10944

約数の個数: 24

約数和(自身を含む): 37312200

約数和(自身を除く): 16999642

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 10909, 21818, 76363, 152726, 207271, 414542, 534541, 1069082, 1450897, 2901794, 10156279, 20312558]

約数ペア:

[(1, 20312558), (2, 10156279), (7, 2901794), (14, 1450897), (19, 1069082), (38, 534541), (49, 414542), (98, 207271), (133, 152726), (266, 76363), (931, 21818), (1862, 10909)]