20932868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{1223}}^1$

素因数の和:1627

約数の個数: 24

約数和(自身を含む): 40098240

約数和(自身を除く): 19165372

約数列:

[1, 2, 4, 11, 22, 44, 389, 778, 1223, 1556, 2446, 4279, 4892, 8558, 13453, 17116, 26906, 53812, 475747, 951494, 1902988, 5233217, 10466434, 20932868]

約数ペア:

[(1, 20932868), (2, 10466434), (4, 5233217), (11, 1902988), (22, 951494), (44, 475747), (389, 53812), (778, 26906), (1223, 17116), (1556, 13453), (2446, 8558), (4279, 4892)]