20197796

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{71119}}^1$

素因数の和:71194

約数の個数: 12

約数和(自身を含む): 35844480

約数和(自身を除く): 15646684

約数列:

[1, 2, 4, 71, 142, 284, 71119, 142238, 284476, 5049449, 10098898, 20197796]

約数ペア:

[(1, 20197796), (2, 10098898), (4, 5049449), (71, 284476), (142, 142238), (284, 71119)]