20199090910

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{12865663}}^1$

素因数の和:12865827

約数の個数: 16

約数和(自身を含む): 36589948416

約数和(自身を除く): 16390857506

約数列:

[1, 2, 5, 10, 157, 314, 785, 1570, 12865663, 25731326, 64328315, 128656630, 2019909091, 4039818182, 10099545455, 20199090910]

約数ペア:

[(1, 20199090910), (2, 10099545455), (5, 4039818182), (10, 2019909091), (157, 128656630), (314, 64328315), (785, 25731326), (1570, 12865663)]