173870420

素因数分解:

$2^2\times 5^1\times {\mathrm{8693521}}^1$

素因数の和:8693530

約数の個数: 12

約数和(自身を含む): 365127924

約数和(自身を除く): 191257504

約数列:

[1, 2, 4, 5, 10, 20, 8693521, 17387042, 34774084, 43467605, 86935210, 173870420]

約数ペア:

[(1, 173870420), (2, 86935210), (4, 43467605), (5, 34774084), (10, 17387042), (20, 8693521)]