20472580

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{6779}}^1$

素因数の和:6939

約数の個数: 24

約数和(自身を含む): 43283520

約数和(自身を除く): 22810940

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 6779, 13558, 27116, 33895, 67790, 135580, 1023629, 2047258, 4094516, 5118145, 10236290, 20472580]

約数ペア:

[(1, 20472580), (2, 10236290), (4, 5118145), (5, 4094516), (10, 2047258), (20, 1023629), (151, 135580), (302, 67790), (604, 33895), (755, 27116), (1510, 13558), (3020, 6779)]