20512552324

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{5238139}}^1$

素因数の和:5238243

約数の個数: 24

約数和(自身を含む): 39600338400

約数和(自身を除く): 19087786076

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 5238139, 10476278, 20952556, 57619529, 115239058, 230478116, 466194371, 932388742, 1864777484, 5128138081, 10256276162, 20512552324]

約数ペア:

[(1, 20512552324), (2, 10256276162), (4, 5128138081), (11, 1864777484), (22, 932388742), (44, 466194371), (89, 230478116), (178, 115239058), (356, 57619529), (979, 20952556), (1958, 10476278), (3916, 5238139)]