20208904

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{109831}}^1$

素因数の和:109860

約数の個数: 16

約数和(自身を含む): 39539520

約数和(自身を除く): 19330616

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 109831, 219662, 439324, 878648, 2526113, 5052226, 10104452, 20208904]

約数ペア:

[(1, 20208904), (2, 10104452), (4, 5052226), (8, 2526113), (23, 878648), (46, 439324), (92, 219662), (184, 109831)]