20701696

素因数分解:

$2^9\times {\mathrm{40433}}^1$

素因数の和:40451

約数の個数: 20

約数和(自身を含む): 41363982

約数和(自身を除く): 20662286

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 40433, 80866, 161732, 323464, 646928, 1293856, 2587712, 5175424, 10350848, 20701696]

約数ペア:

[(1, 20701696), (2, 10350848), (4, 5175424), (8, 2587712), (16, 1293856), (32, 646928), (64, 323464), (128, 161732), (256, 80866), (512, 40433)]