20256726

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6793}}^1$

素因数の和:6876

約数の個数: 32

約数和(自身を含む): 46960128

約数和(自身を除く): 26703402

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 6793, 13586, 20379, 40758, 47551, 95102, 142653, 285306, 482303, 964606, 1446909, 2893818, 3376121, 6752242, 10128363, 20256726]

約数ペア:

[(1, 20256726), (2, 10128363), (3, 6752242), (6, 3376121), (7, 2893818), (14, 1446909), (21, 964606), (42, 482303), (71, 285306), (142, 142653), (213, 95102), (426, 47551), (497, 40758), (994, 20379), (1491, 13586), (2982, 6793)]