208064420

素因数分解:

$2^2\times 5^1\times {\mathrm{1373}}^1\times {\mathrm{7577}}^1$

素因数の和:8959

約数の個数: 24

約数和(自身を含む): 437311224

約数和(自身を除く): 229246804

約数列:

[1, 2, 4, 5, 10, 20, 1373, 2746, 5492, 6865, 7577, 13730, 15154, 27460, 30308, 37885, 75770, 151540, 10403221, 20806442, 41612884, 52016105, 104032210, 208064420]

約数ペア:

[(1, 208064420), (2, 104032210), (4, 52016105), (5, 41612884), (10, 20806442), (20, 10403221), (1373, 151540), (2746, 75770), (5492, 37885), (6865, 30308), (7577, 27460), (13730, 15154)]