20555886

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{263537}}^1$

素因数の和:263555

約数の個数: 16

約数和(自身を含む): 44274384

約数和(自身を除く): 23718498

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 263537, 527074, 790611, 1581222, 3425981, 6851962, 10277943, 20555886]

約数ペア:

[(1, 20555886), (2, 10277943), (3, 6851962), (6, 3425981), (13, 1581222), (26, 790611), (39, 527074), (78, 263537)]