20854428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{248267}}^1$

素因数の和:248281

約数の個数: 24

約数和(自身を含む): 55612032

約数和(自身を除く): 34757604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 248267, 496534, 744801, 993068, 1489602, 1737869, 2979204, 3475738, 5213607, 6951476, 10427214, 20854428]

約数ペア:

[(1, 20854428), (2, 10427214), (3, 6951476), (4, 5213607), (6, 3475738), (7, 2979204), (12, 1737869), (14, 1489602), (21, 993068), (28, 744801), (42, 496534), (84, 248267)]