20646272

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{7013}}^1$

素因数の和:7050

約数の個数: 32

約数和(自身を含む): 42925680

約数和(自身を除く): 22279408

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 368, 736, 1472, 2944, 7013, 14026, 28052, 56104, 112208, 161299, 224416, 322598, 448832, 645196, 897664, 1290392, 2580784, 5161568, 10323136, 20646272]

約数ペア:

[(1, 20646272), (2, 10323136), (4, 5161568), (8, 2580784), (16, 1290392), (23, 897664), (32, 645196), (46, 448832), (64, 322598), (92, 224416), (128, 161299), (184, 112208), (368, 56104), (736, 28052), (1472, 14026), (2944, 7013)]