20165470925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{2083}}^1$

素因数の和:2430

約数の個数: 48

約数和(自身を含む): 26746056000

約数和(自身を除く): 6580585075

約数列:

[1, 5, 19, 25, 89, 95, 229, 445, 475, 1145, 1691, 2083, 2225, 4351, 5725, 8455, 10415, 20381, 21755, 39577, 42275, 52075, 101905, 108775, 185387, 197885, 387239, 477007, 509525, 926935, 989425, 1936195, 2385035, 3522353, 4634675, 9063133, 9680975, 11925175, 17611765, 42453623, 45315665, 88058825, 212268115, 226578325, 806618837, 1061340575, 4033094185, 20165470925]

約数ペア:

[(1, 20165470925), (5, 4033094185), (19, 1061340575), (25, 806618837), (89, 226578325), (95, 212268115), (229, 88058825), (445, 45315665), (475, 42453623), (1145, 17611765), (1691, 11925175), (2083, 9680975), (2225, 9063133), (4351, 4634675), (5725, 3522353), (8455, 2385035), (10415, 1936195), (20381, 989425), (21755, 926935), (39577, 509525), (42275, 477007), (52075, 387239), (101905, 197885), (108775, 185387)]