20413880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{22189}}^1$

素因数の和:22223

約数の個数: 32

約数和(自身を含む): 47930400

約数和(自身を除く): 27516520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 22189, 44378, 88756, 110945, 177512, 221890, 443780, 510347, 887560, 1020694, 2041388, 2551735, 4082776, 5103470, 10206940, 20413880]

約数ペア:

[(1, 20413880), (2, 10206940), (4, 5103470), (5, 4082776), (8, 2551735), (10, 2041388), (20, 1020694), (23, 887560), (40, 510347), (46, 443780), (92, 221890), (115, 177512), (184, 110945), (230, 88756), (460, 44378), (920, 22189)]