20804924474

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1\times {\mathrm{246931}}^1$

素因数の和:247445

約数の個数: 16

約数和(自身を含む): 31587541440

約数和(自身を除く): 10782616966

約数列:

[1, 2, 103, 206, 409, 818, 42127, 84254, 246931, 493862, 25433893, 50867786, 100994779, 201989558, 10402462237, 20804924474]

約数ペア:

[(1, 20804924474), (2, 10402462237), (103, 201989558), (206, 100994779), (409, 50867786), (818, 25433893), (42127, 493862), (84254, 246931)]