20145498387

素因数分解:

$3^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{881}}^1\times {\mathrm{3931}}^1$

素因数の和:5099

約数の個数: 32

約数和(自身を含む): 30851541504

約数和(自身を除く): 10706043117

約数列:

[1, 3, 7, 21, 277, 831, 881, 1939, 2643, 3931, 5817, 6167, 11793, 18501, 27517, 82551, 244037, 732111, 1088887, 1708259, 3266661, 3463211, 5124777, 7622209, 10389633, 22866627, 24242477, 72727431, 959309447, 2877928341, 6715166129, 20145498387]

約数ペア:

[(1, 20145498387), (3, 6715166129), (7, 2877928341), (21, 959309447), (277, 72727431), (831, 24242477), (881, 22866627), (1939, 10389633), (2643, 7622209), (3931, 5124777), (5817, 3463211), (6167, 3266661), (11793, 1708259), (18501, 1088887), (27517, 732111), (82551, 244037)]