20543104

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{8447}}^1$

素因数の和:8480

約数の個数: 32

約数和(自身を含む): 43084800

約数和(自身を除く): 22541696

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 8447, 16894, 33788, 67576, 135152, 160493, 270304, 320986, 540608, 641972, 1081216, 1283944, 2567888, 5135776, 10271552, 20543104]

約数ペア:

[(1, 20543104), (2, 10271552), (4, 5135776), (8, 2567888), (16, 1283944), (19, 1081216), (32, 641972), (38, 540608), (64, 320986), (76, 270304), (128, 160493), (152, 135152), (304, 67576), (608, 33788), (1216, 16894), (2432, 8447)]