20666368

素因数分解:

$2^{11}\times {\mathrm{10091}}^1$

素因数の和:10113

約数の個数: 24

約数和(自身を含む): 41326740

約数和(自身を除く): 20660372

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 10091, 20182, 40364, 80728, 161456, 322912, 645824, 1291648, 2583296, 5166592, 10333184, 20666368]

約数ペア:

[(1, 20666368), (2, 10333184), (4, 5166592), (8, 2583296), (16, 1291648), (32, 645824), (64, 322912), (128, 161456), (256, 80728), (512, 40364), (1024, 20182), (2048, 10091)]