20790721324

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{613}}^1\times {\mathrm{206807}}^1$

素因数の和:207465

約数の個数: 24

約数和(自身を含む): 37332152928

約数和(自身を除く): 16541431604

約数列:

[1, 2, 4, 41, 82, 164, 613, 1226, 2452, 25133, 50266, 100532, 206807, 413614, 827228, 8479087, 16958174, 33916348, 126772691, 253545382, 507090764, 5197680331, 10395360662, 20790721324]

約数ペア:

[(1, 20790721324), (2, 10395360662), (4, 5197680331), (41, 507090764), (82, 253545382), (164, 126772691), (613, 33916348), (1226, 16958174), (2452, 8479087), (25133, 827228), (50266, 413614), (100532, 206807)]