20830186

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{367}}^1$

素因数の和:478

約数の個数: 32

約数和(自身を含む): 35239680

約数和(自身を除く): 14409494

約数列:

[1, 2, 13, 26, 37, 59, 74, 118, 367, 481, 734, 767, 962, 1534, 2183, 4366, 4771, 9542, 13579, 21653, 27158, 28379, 43306, 56758, 176527, 281489, 353054, 562978, 801161, 1602322, 10415093, 20830186]

約数ペア:

[(1, 20830186), (2, 10415093), (13, 1602322), (26, 801161), (37, 562978), (59, 353054), (74, 281489), (118, 176527), (367, 56758), (481, 43306), (734, 28379), (767, 27158), (962, 21653), (1534, 13579), (2183, 9542), (4366, 4771)]