20453181

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{5381}}^1$

素因数の和:5572

約数の個数: 16

約数和(自身を含む): 31344768

約数和(自身を除く): 10891587

約数列:

[1, 3, 7, 21, 181, 543, 1267, 3801, 5381, 16143, 37667, 113001, 973961, 2921883, 6817727, 20453181]

約数ペア:

[(1, 20453181), (3, 6817727), (7, 2921883), (21, 973961), (181, 113001), (543, 37667), (1267, 16143), (3801, 5381)]