20115339980

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2291041}}^1$

素因数の和:2291489

約数の個数: 24

約数和(自身を含む): 42338456160

約数和(自身を除く): 22223116180

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8780, 2291041, 4582082, 9164164, 11455205, 22910410, 45820820, 1005766999, 2011533998, 4023067996, 5028834995, 10057669990, 20115339980]

約数ペア:

[(1, 20115339980), (2, 10057669990), (4, 5028834995), (5, 4023067996), (10, 2011533998), (20, 1005766999), (439, 45820820), (878, 22910410), (1756, 11455205), (2195, 9164164), (4390, 4582082), (8780, 2291041)]