20047504

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{3221}}^1$

素因数の和:3618

約数の個数: 20

約数和(自身を含む): 38953980

約数和(自身を除く): 18906476

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 3221, 6224, 6442, 12884, 25768, 51536, 1252969, 2505938, 5011876, 10023752, 20047504]

約数ペア:

[(1, 20047504), (2, 10023752), (4, 5011876), (8, 2505938), (16, 1252969), (389, 51536), (778, 25768), (1556, 12884), (3112, 6442), (3221, 6224)]