20378776

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{631}}^1$

素因数の和:1015

約数の個数: 32

約数和(自身を含む): 41863680

約数和(自身を除く): 21484904

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 367, 631, 734, 1262, 1468, 2524, 2936, 4037, 5048, 6941, 8074, 13882, 16148, 27764, 32296, 55528, 231577, 463154, 926308, 1852616, 2547347, 5094694, 10189388, 20378776]

約数ペア:

[(1, 20378776), (2, 10189388), (4, 5094694), (8, 2547347), (11, 1852616), (22, 926308), (44, 463154), (88, 231577), (367, 55528), (631, 32296), (734, 27764), (1262, 16148), (1468, 13882), (2524, 8074), (2936, 6941), (4037, 5048)]