20312396

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{5351}}^1$

素因数の和:5441

約数の個数: 24

約数和(自身を含む): 38812704

約数和(自身を除く): 18500308

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 292, 949, 1898, 3796, 5351, 10702, 21404, 69563, 139126, 278252, 390623, 781246, 1562492, 5078099, 10156198, 20312396]

約数ペア:

[(1, 20312396), (2, 10156198), (4, 5078099), (13, 1562492), (26, 781246), (52, 390623), (73, 278252), (146, 139126), (292, 69563), (949, 21404), (1898, 10702), (3796, 5351)]