20397224

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{19463}}^1$

素因数の和:19600

約数の個数: 16

約数和(自身を含む): 38538720

約数和(自身を除く): 18141496

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 19463, 38926, 77852, 155704, 2549653, 5099306, 10198612, 20397224]

約数ペア:

[(1, 20397224), (2, 10198612), (4, 5099306), (8, 2549653), (131, 155704), (262, 77852), (524, 38926), (1048, 19463)]