20172089900

素因数分解:

$2^2\times 5^2\times {\mathrm{201720899}}^1$

素因数の和:201720913

約数の個数: 18

約数和(自身を含む): 43773435300

約数和(自身を除く): 23601345400

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 201720899, 403441798, 806883596, 1008604495, 2017208990, 4034417980, 5043022475, 10086044950, 20172089900]

約数ペア:

[(1, 20172089900), (2, 10086044950), (4, 5043022475), (5, 4034417980), (10, 2017208990), (20, 1008604495), (25, 806883596), (50, 403441798), (100, 201720899)]