20843715

素因数分解:

$3^1\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{1361}}^1$

素因数の和:2390

約数の個数: 16

約数和(自身を含む): 33407136

約数和(自身を除く): 12563421

約数列:

[1, 3, 5, 15, 1021, 1361, 3063, 4083, 5105, 6805, 15315, 20415, 1389581, 4168743, 6947905, 20843715]

約数ペア:

[(1, 20843715), (3, 6947905), (5, 4168743), (15, 1389581), (1021, 20415), (1361, 15315), (3063, 6805), (4083, 5105)]