15916179220

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1984561}}^1$

素因数の和:1984971

約数の個数: 24

約数和(自身を含む): 33507344808

約数和(自身を除く): 17591165588

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 1984561, 3969122, 7938244, 9922805, 19845610, 39691220, 795808961, 1591617922, 3183235844, 3979044805, 7958089610, 15916179220]

約数ペア:

[(1, 15916179220), (2, 7958089610), (4, 3979044805), (5, 3183235844), (10, 1591617922), (20, 795808961), (401, 39691220), (802, 19845610), (1604, 9922805), (2005, 7938244), (4010, 3969122), (8020, 1984561)]