20925095675

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{364073}}^1$

素因数の和:364124

約数の個数: 36

約数和(自身を含む): 30021542040

約数和(自身を除く): 9096446365

約数列:

[1, 5, 11, 19, 25, 55, 95, 121, 209, 275, 475, 605, 1045, 2299, 3025, 5225, 11495, 57475, 364073, 1820365, 4004803, 6917387, 9101825, 20024015, 34586935, 44052833, 76091257, 100120075, 172934675, 220264165, 380456285, 837003827, 1101320825, 1902281425, 4185019135, 20925095675]

約数ペア:

[(1, 20925095675), (5, 4185019135), (11, 1902281425), (19, 1101320825), (25, 837003827), (55, 380456285), (95, 220264165), (121, 172934675), (209, 100120075), (275, 76091257), (475, 44052833), (605, 34586935), (1045, 20024015), (2299, 9101825), (3025, 6917387), (5225, 4004803), (11495, 1820365), (57475, 364073)]