20843488

素因数分解:

$2^5\times {\mathrm{643}}^1\times {\mathrm{1013}}^1$

素因数の和:1666

約数の個数: 24

約数和(自身を含む): 41140008

約数和(自身を除く): 20296520

約数列:

[1, 2, 4, 8, 16, 32, 643, 1013, 1286, 2026, 2572, 4052, 5144, 8104, 10288, 16208, 20576, 32416, 651359, 1302718, 2605436, 5210872, 10421744, 20843488]

約数ペア:

[(1, 20843488), (2, 10421744), (4, 5210872), (8, 2605436), (16, 1302718), (32, 651359), (643, 32416), (1013, 20576), (1286, 16208), (2026, 10288), (2572, 8104), (4052, 5144)]