858404020

素因数分解:

$2^2\times 5^1\times {\mathrm{2333}}^1\times {\mathrm{18397}}^1$

素因数の和:20739

約数の個数: 24

約数和(自身を含む): 1803519144

約数和(自身を除く): 945115124

約数列:

[1, 2, 4, 5, 10, 20, 2333, 4666, 9332, 11665, 18397, 23330, 36794, 46660, 73588, 91985, 183970, 367940, 42920201, 85840402, 171680804, 214601005, 429202010, 858404020]

約数ペア:

[(1, 858404020), (2, 429202010), (4, 214601005), (5, 171680804), (10, 85840402), (20, 42920201), (2333, 367940), (4666, 183970), (9332, 91985), (11665, 73588), (18397, 46660), (23330, 36794)]