20701925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1063}}^1$

素因数の和:1133

約数の個数: 24

約数和(自身を含む): 27706560

約数和(自身を除く): 7004635

約数列:

[1, 5, 19, 25, 41, 95, 205, 475, 779, 1025, 1063, 3895, 5315, 19475, 20197, 26575, 43583, 100985, 217915, 504925, 828077, 1089575, 4140385, 20701925]

約数ペア:

[(1, 20701925), (5, 4140385), (19, 1089575), (25, 828077), (41, 504925), (95, 217915), (205, 100985), (475, 43583), (779, 26575), (1025, 20197), (1063, 19475), (3895, 5315)]