20156568128

素因数分解:

$2^6\times {\mathrm{79}}^1\times {\mathrm{3986663}}^1$

素因数の和:3986754

約数の個数: 28

約数和(自身を含む): 40504506240

約数和(自身を除く): 20347938112

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 158, 316, 632, 1264, 2528, 5056, 3986663, 7973326, 15946652, 31893304, 63786608, 127573216, 255146432, 314946377, 629892754, 1259785508, 2519571016, 5039142032, 10078284064, 20156568128]

約数ペア:

[(1, 20156568128), (2, 10078284064), (4, 5039142032), (8, 2519571016), (16, 1259785508), (32, 629892754), (64, 314946377), (79, 255146432), (158, 127573216), (316, 63786608), (632, 31893304), (1264, 15946652), (2528, 7973326), (5056, 3986663)]