20704384

素因数分解:

$2^7\times {\mathrm{161753}}^1$

素因数の和:161767

約数の個数: 16

約数和(自身を含む): 41247270

約数和(自身を除く): 20542886

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 161753, 323506, 647012, 1294024, 2588048, 5176096, 10352192, 20704384]

約数ペア:

[(1, 20704384), (2, 10352192), (4, 5176096), (8, 2588048), (16, 1294024), (32, 647012), (64, 323506), (128, 161753)]