20978869530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{1721}}^1\times {\mathrm{406331}}^1$

素因数の和:408062

約数の個数: 32

約数和(自身を含む): 50378666688

約数和(自身を除く): 29399797158

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 1721, 3442, 5163, 8605, 10326, 17210, 25815, 51630, 406331, 812662, 1218993, 2031655, 2437986, 4063310, 6094965, 12189930, 699295651, 1398591302, 2097886953, 3496478255, 4195773906, 6992956510, 10489434765, 20978869530]

約数ペア:

[(1, 20978869530), (2, 10489434765), (3, 6992956510), (5, 4195773906), (6, 3496478255), (10, 2097886953), (15, 1398591302), (30, 699295651), (1721, 12189930), (3442, 6094965), (5163, 4063310), (8605, 2437986), (10326, 2031655), (17210, 1218993), (25815, 812662), (51630, 406331)]