20180989940

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{6682447}}^1$

素因数の和:6682607

約数の個数: 24

約数和(自身を含む): 42660748032

約数和(自身を除く): 22479758092

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 6682447, 13364894, 26729788, 33412235, 66824470, 133648940, 1009049497, 2018098994, 4036197988, 5045247485, 10090494970, 20180989940]

約数ペア:

[(1, 20180989940), (2, 10090494970), (4, 5045247485), (5, 4036197988), (10, 2018098994), (20, 1009049497), (151, 133648940), (302, 66824470), (604, 33412235), (755, 26729788), (1510, 13364894), (3020, 6682447)]