20805814912

素因数分解:

$2^7\times {\mathrm{10321}}^1\times {\mathrm{15749}}^1$

素因数の和:26084

約数の個数: 32

約数和(自身を含む): 41455732500

約数和(自身を除く): 20649917588

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 10321, 15749, 20642, 31498, 41284, 62996, 82568, 125992, 165136, 251984, 330272, 503968, 660544, 1007936, 1321088, 2015872, 162545429, 325090858, 650181716, 1300363432, 2600726864, 5201453728, 10402907456, 20805814912]

約数ペア:

[(1, 20805814912), (2, 10402907456), (4, 5201453728), (8, 2600726864), (16, 1300363432), (32, 650181716), (64, 325090858), (128, 162545429), (10321, 2015872), (15749, 1321088), (20642, 1007936), (31498, 660544), (41284, 503968), (62996, 330272), (82568, 251984), (125992, 165136)]