20966944

素因数分解:

$2^5\times {\mathrm{643}}^1\times {\mathrm{1019}}^1$

素因数の和:1672

約数の個数: 24

約数和(自身を含む): 41383440

約数和(自身を除く): 20416496

約数列:

[1, 2, 4, 8, 16, 32, 643, 1019, 1286, 2038, 2572, 4076, 5144, 8152, 10288, 16304, 20576, 32608, 655217, 1310434, 2620868, 5241736, 10483472, 20966944]

約数ペア:

[(1, 20966944), (2, 10483472), (4, 5241736), (8, 2620868), (16, 1310434), (32, 655217), (643, 32608), (1019, 20576), (1286, 16304), (2038, 10288), (2572, 8152), (4076, 5144)]