20498719

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:546

約数の個数: 16

約数和(自身を含む): 22692096

約数和(自身を除く): 2193377

約数列:

[1, 17, 31, 97, 401, 527, 1649, 3007, 6817, 12431, 38897, 51119, 211327, 661249, 1205807, 20498719]

約数ペア:

[(1, 20498719), (17, 1205807), (31, 661249), (97, 211327), (401, 51119), (527, 38897), (1649, 12431), (3007, 6817)]