20654943

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{467}}^1\times {\mathrm{641}}^1$

素因数の和:1134

約数の個数: 16

約数和(自身を含む): 28843776

約数和(自身を除く): 8188833

約数列:

[1, 3, 23, 69, 467, 641, 1401, 1923, 10741, 14743, 32223, 44229, 299347, 898041, 6884981, 20654943]

約数ペア:

[(1, 20654943), (3, 6884981), (23, 898041), (69, 299347), (467, 44229), (641, 32223), (1401, 14743), (1923, 10741)]