20550138

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{1291}}^1$

素因数の和:1682

約数の個数: 32

約数和(自身を含む): 47132160

約数和(自身を除く): 26582022

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 379, 758, 1137, 1291, 2274, 2582, 2653, 3873, 5306, 7746, 7959, 9037, 15918, 18074, 27111, 54222, 489289, 978578, 1467867, 2935734, 3425023, 6850046, 10275069, 20550138]

約数ペア:

[(1, 20550138), (2, 10275069), (3, 6850046), (6, 3425023), (7, 2935734), (14, 1467867), (21, 978578), (42, 489289), (379, 54222), (758, 27111), (1137, 18074), (1291, 15918), (2274, 9037), (2582, 7959), (2653, 7746), (3873, 5306)]