19200020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137143}}^1$

素因数の和:137159

約数の個数: 24

約数和(自身を含む): 46080384

約数和(自身を除く): 26880364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 137143, 274286, 548572, 685715, 960001, 1371430, 1920002, 2742860, 3840004, 4800005, 9600010, 19200020]

約数ペア:

[(1, 19200020), (2, 9600010), (4, 4800005), (5, 3840004), (7, 2742860), (10, 1920002), (14, 1371430), (20, 960001), (28, 685715), (35, 548572), (70, 274286), (140, 137143)]