20810793025

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{727}}^1\times {\mathrm{9463}}^1$

素因数の和:10222

約数の個数: 36

約数和(自身を含む): 28406612416

約数和(自身を除く): 7595819391

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 727, 3025, 3635, 7997, 9463, 18175, 39985, 47315, 87967, 104093, 199925, 236575, 439835, 520465, 1145023, 2199175, 2602325, 5725115, 6879601, 28625575, 34398005, 75675611, 171990025, 378378055, 832431721, 1891890275, 4162158605, 20810793025]

約数ペア:

[(1, 20810793025), (5, 4162158605), (11, 1891890275), (25, 832431721), (55, 378378055), (121, 171990025), (275, 75675611), (605, 34398005), (727, 28625575), (3025, 6879601), (3635, 5725115), (7997, 2602325), (9463, 2199175), (18175, 1145023), (39985, 520465), (47315, 439835), (87967, 236575), (104093, 199925)]