20355573

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{9059}}^1$

素因数の和:9176

約数の個数: 16

約数和(自身を含む): 31311360

約数和(自身を除く): 10955787

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 9059, 27177, 63413, 190239, 969313, 2907939, 6785191, 20355573]

約数ペア:

[(1, 20355573), (3, 6785191), (7, 2907939), (21, 969313), (107, 190239), (321, 63413), (749, 27177), (2247, 9059)]