20391424

素因数分解:

$2^9\times {\mathrm{39827}}^1$

素因数の和:39845

約数の個数: 20

約数和(自身を含む): 40744044

約数和(自身を除く): 20352620

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 39827, 79654, 159308, 318616, 637232, 1274464, 2548928, 5097856, 10195712, 20391424]

約数ペア:

[(1, 20391424), (2, 10195712), (4, 5097856), (8, 2548928), (16, 1274464), (32, 637232), (64, 318616), (128, 159308), (256, 79654), (512, 39827)]