20120123060

素因数分解:

$2^2\times 5^1\times {\mathrm{977}}^1\times {\mathrm{1029689}}^1$

素因数の和:1030675

約数の個数: 24

約数和(自身を含む): 42295546440

約数和(自身を除く): 22175423380

約数列:

[1, 2, 4, 5, 10, 20, 977, 1954, 3908, 4885, 9770, 19540, 1029689, 2059378, 4118756, 5148445, 10296890, 20593780, 1006006153, 2012012306, 4024024612, 5030030765, 10060061530, 20120123060]

約数ペア:

[(1, 20120123060), (2, 10060061530), (4, 5030030765), (5, 4024024612), (10, 2012012306), (20, 1006006153), (977, 20593780), (1954, 10296890), (3908, 5148445), (4885, 4118756), (9770, 2059378), (19540, 1029689)]