20012732

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{643}}^1$

素因数の和:929

約数の個数: 24

約数和(自身を含む): 36352512

約数和(自身を除く): 16339780

約数列:

[1, 2, 4, 31, 62, 124, 251, 502, 643, 1004, 1286, 2572, 7781, 15562, 19933, 31124, 39866, 79732, 161393, 322786, 645572, 5003183, 10006366, 20012732]

約数ペア:

[(1, 20012732), (2, 10006366), (4, 5003183), (31, 645572), (62, 322786), (124, 161393), (251, 79732), (502, 39866), (643, 31124), (1004, 19933), (1286, 15562), (2572, 7781)]