20346256

素因数分解:

$2^4\times 7^1\times {\mathrm{389}}^1\times {\mathrm{467}}^1$

素因数の和:871

約数の個数: 40

約数和(自身を含む): 45264960

約数和(自身を除く): 24918704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 389, 467, 778, 934, 1556, 1868, 2723, 3112, 3269, 3736, 5446, 6224, 6538, 7472, 10892, 13076, 21784, 26152, 43568, 52304, 181663, 363326, 726652, 1271641, 1453304, 2543282, 2906608, 5086564, 10173128, 20346256]

約数ペア:

[(1, 20346256), (2, 10173128), (4, 5086564), (7, 2906608), (8, 2543282), (14, 1453304), (16, 1271641), (28, 726652), (56, 363326), (112, 181663), (389, 52304), (467, 43568), (778, 26152), (934, 21784), (1556, 13076), (1868, 10892), (2723, 7472), (3112, 6538), (3269, 6224), (3736, 5446)]