20123821048

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{4027}}^1\times {\mathrm{7907}}^1$

素因数の和:12019

約数の個数: 32

約数和(自身を含む): 38224108800

約数和(自身を除く): 18100287752

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 4027, 7907, 8054, 15814, 16108, 31628, 32216, 63256, 318133, 624653, 636266, 1249306, 1272532, 2498612, 2545064, 4997224, 31841489, 63682978, 127365956, 254731912, 2515477631, 5030955262, 10061910524, 20123821048]

約数ペア:

[(1, 20123821048), (2, 10061910524), (4, 5030955262), (8, 2515477631), (79, 254731912), (158, 127365956), (316, 63682978), (632, 31841489), (4027, 4997224), (7907, 2545064), (8054, 2498612), (15814, 1272532), (16108, 1249306), (31628, 636266), (32216, 624653), (63256, 318133)]