16769380

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{9421}}^1$

素因数の和:9519

約数の個数: 24

約数和(自身を含む): 35615160

約数和(自身を除く): 18845780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 9421, 18842, 37684, 47105, 94210, 188420, 838469, 1676938, 3353876, 4192345, 8384690, 16769380]

約数ペア:

[(1, 16769380), (2, 8384690), (4, 4192345), (5, 3353876), (10, 1676938), (20, 838469), (89, 188420), (178, 94210), (356, 47105), (445, 37684), (890, 18842), (1780, 9421)]