20923888

素因数分解:

$2^4\times {\mathrm{283}}^1\times {\mathrm{4621}}^1$

素因数の和:4912

約数の個数: 20

約数和(自身を含む): 40692088

約数和(自身を除く): 19768200

約数列:

[1, 2, 4, 8, 16, 283, 566, 1132, 2264, 4528, 4621, 9242, 18484, 36968, 73936, 1307743, 2615486, 5230972, 10461944, 20923888]

約数ペア:

[(1, 20923888), (2, 10461944), (4, 5230972), (8, 2615486), (16, 1307743), (283, 73936), (566, 36968), (1132, 18484), (2264, 9242), (4528, 4621)]