15396820

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1201}}^1$

素因数の和:1851

約数の個数: 24

約数和(自身を含む): 32410728

約数和(自身を除く): 17013908

約数列:

[1, 2, 4, 5, 10, 20, 641, 1201, 1282, 2402, 2564, 3205, 4804, 6005, 6410, 12010, 12820, 24020, 769841, 1539682, 3079364, 3849205, 7698410, 15396820]

約数ペア:

[(1, 15396820), (2, 7698410), (4, 3849205), (5, 3079364), (10, 1539682), (20, 769841), (641, 24020), (1201, 12820), (1282, 12010), (2402, 6410), (2564, 6005), (3205, 4804)]