20612172

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{245383}}^1$

素因数の和:245397

約数の個数: 24

約数和(自身を含む): 54966016

約数和(自身を除く): 34353844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 245383, 490766, 736149, 981532, 1472298, 1717681, 2944596, 3435362, 5153043, 6870724, 10306086, 20612172]

約数ペア:

[(1, 20612172), (2, 10306086), (3, 6870724), (4, 5153043), (6, 3435362), (7, 2944596), (12, 1717681), (14, 1472298), (21, 981532), (28, 736149), (42, 490766), (84, 245383)]