20491338

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{487889}}^1$

素因数の和:487901

約数の個数: 16

約数和(自身を含む): 46837440

約数和(自身を除く): 26346102

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 487889, 975778, 1463667, 2927334, 3415223, 6830446, 10245669, 20491338]

約数ペア:

[(1, 20491338), (2, 10245669), (3, 6830446), (6, 3415223), (7, 2927334), (14, 1463667), (21, 975778), (42, 487889)]