20576446

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21751}}^1$

素因数の和:21807

約数の個数: 16

約数和(自身を含む): 34455168

約数和(自身を除く): 13878722

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 21751, 43502, 239261, 478522, 935293, 1870586, 10288223, 20576446]

約数ペア:

[(1, 20576446), (2, 10288223), (11, 1870586), (22, 935293), (43, 478522), (86, 239261), (473, 43502), (946, 21751)]