20154991628

素因数分解:

$2^2\times {\mathrm{1039}}^1\times {\mathrm{4849613}}^1$

素因数の和:4850656

約数の個数: 12

約数和(自身を含む): 35305189920

約数和(自身を除く): 15150198292

約数列:

[1, 2, 4, 1039, 2078, 4156, 4849613, 9699226, 19398452, 5038747907, 10077495814, 20154991628]

約数ペア:

[(1, 20154991628), (2, 10077495814), (4, 5038747907), (1039, 19398452), (2078, 9699226), (4156, 4849613)]