20560100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{18691}}^1$

素因数の和:18716

約数の個数: 36

約数和(自身を含む): 48673968

約数和(自身を除く): 28113868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 18691, 37382, 74764, 93455, 186910, 205601, 373820, 411202, 467275, 822404, 934550, 1028005, 1869100, 2056010, 4112020, 5140025, 10280050, 20560100]

約数ペア:

[(1, 20560100), (2, 10280050), (4, 5140025), (5, 4112020), (10, 2056010), (11, 1869100), (20, 1028005), (22, 934550), (25, 822404), (44, 467275), (50, 411202), (55, 373820), (100, 205601), (110, 186910), (220, 93455), (275, 74764), (550, 37382), (1100, 18691)]