20005933955

素因数分解:

$5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2003}}^1\times {\mathrm{2083}}^1$

素因数の和:4235

約数の個数: 32

約数和(自身を含む): 27664049664

約数和(自身を除く): 7658115709

約数列:

[1, 5, 7, 35, 137, 685, 959, 2003, 2083, 4795, 10015, 10415, 14021, 14581, 70105, 72905, 274411, 285371, 1372055, 1426855, 1920877, 1997597, 4172249, 9604385, 9987985, 20861245, 29205743, 146028715, 571598113, 2857990565, 4001186791, 20005933955]

約数ペア:

[(1, 20005933955), (5, 4001186791), (7, 2857990565), (35, 571598113), (137, 146028715), (685, 29205743), (959, 20861245), (2003, 9987985), (2083, 9604385), (4795, 4172249), (10015, 1997597), (10415, 1920877), (14021, 1426855), (14581, 1372055), (70105, 285371), (72905, 274411)]