20900116

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{283}}^1\times {\mathrm{499}}^1$

素因数の和:823

約数の個数: 24

約数和(自身を含む): 37772000

約数和(自身を除く): 16871884

約数列:

[1, 2, 4, 37, 74, 148, 283, 499, 566, 998, 1132, 1996, 10471, 18463, 20942, 36926, 41884, 73852, 141217, 282434, 564868, 5225029, 10450058, 20900116]

約数ペア:

[(1, 20900116), (2, 10450058), (4, 5225029), (37, 564868), (74, 282434), (148, 141217), (283, 73852), (499, 41884), (566, 36926), (998, 20942), (1132, 18463), (1996, 10471)]