20978624

素因数分解:

$2^6\times {\mathrm{181}}^1\times {\mathrm{1811}}^1$

素因数の和:2004

約数の個数: 28

約数和(自身を含む): 41882568

約数和(自身を除く): 20903944

約数列:

[1, 2, 4, 8, 16, 32, 64, 181, 362, 724, 1448, 1811, 2896, 3622, 5792, 7244, 11584, 14488, 28976, 57952, 115904, 327791, 655582, 1311164, 2622328, 5244656, 10489312, 20978624]

約数ペア:

[(1, 20978624), (2, 10489312), (4, 5244656), (8, 2622328), (16, 1311164), (32, 655582), (64, 327791), (181, 115904), (362, 57952), (724, 28976), (1448, 14488), (1811, 11584), (2896, 7244), (3622, 5792)]