20256496

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97387}}^1$

素因数の和:97408

約数の個数: 20

約数和(自身を含む): 42266392

約数和(自身を除く): 22009896

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 97387, 194774, 389548, 779096, 1266031, 1558192, 2532062, 5064124, 10128248, 20256496]

約数ペア:

[(1, 20256496), (2, 10128248), (4, 5064124), (8, 2532062), (13, 1558192), (16, 1266031), (26, 779096), (52, 389548), (104, 194774), (208, 97387)]