20555984

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{12007}}^1$

素因数の和:12122

約数の個数: 20

約数和(自身を含む): 40202784

約数和(自身を除く): 19646800

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 12007, 24014, 48028, 96056, 192112, 1284749, 2569498, 5138996, 10277992, 20555984]

約数ペア:

[(1, 20555984), (2, 10277992), (4, 5138996), (8, 2569498), (16, 1284749), (107, 192112), (214, 96056), (428, 48028), (856, 24014), (1712, 12007)]