20889728

素因数分解:

$2^7\times {\mathrm{293}}^1\times {\mathrm{557}}^1$

素因数の和:864

約数の個数: 32

約数和(自身を含む): 41833260

約数和(自身を除く): 20943532

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 293, 557, 586, 1114, 1172, 2228, 2344, 4456, 4688, 8912, 9376, 17824, 18752, 35648, 37504, 71296, 163201, 326402, 652804, 1305608, 2611216, 5222432, 10444864, 20889728]

約数ペア:

[(1, 20889728), (2, 10444864), (4, 5222432), (8, 2611216), (16, 1305608), (32, 652804), (64, 326402), (128, 163201), (293, 71296), (557, 37504), (586, 35648), (1114, 18752), (1172, 17824), (2228, 9376), (2344, 8912), (4456, 4688)]