20659628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{617}}^1\times {\mathrm{761}}^1$

素因数の和:1393

約数の個数: 24

約数和(自身を含む): 39556944

約数和(自身を除く): 18897316

約数列:

[1, 2, 4, 11, 22, 44, 617, 761, 1234, 1522, 2468, 3044, 6787, 8371, 13574, 16742, 27148, 33484, 469537, 939074, 1878148, 5164907, 10329814, 20659628]

約数ペア:

[(1, 20659628), (2, 10329814), (4, 5164907), (11, 1878148), (22, 939074), (44, 469537), (617, 33484), (761, 27148), (1234, 16742), (1522, 13574), (2468, 8371), (3044, 6787)]