20874845

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{2129}}^1$

素因数の和:2224

約数の個数: 16

約数和(自身を含む): 26224560

約数和(自身を除く): 5349715

約数列:

[1, 5, 37, 53, 185, 265, 1961, 2129, 9805, 10645, 78773, 112837, 393865, 564185, 4174969, 20874845]

約数ペア:

[(1, 20874845), (5, 4174969), (37, 564185), (53, 393865), (185, 112837), (265, 78773), (1961, 10645), (2129, 9805)]