20983652

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{859}}^1$

素因数の和:1091

約数の個数: 24

約数和(自身を含む): 38142720

約数和(自身を除く): 17159068

約数列:

[1, 2, 4, 31, 62, 124, 197, 394, 788, 859, 1718, 3436, 6107, 12214, 24428, 26629, 53258, 106516, 169223, 338446, 676892, 5245913, 10491826, 20983652]

約数ペア:

[(1, 20983652), (2, 10491826), (4, 5245913), (31, 676892), (62, 338446), (124, 169223), (197, 106516), (394, 53258), (788, 26629), (859, 24428), (1718, 12214), (3436, 6107)]