20085272

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{80989}}^1$

素因数の和:81026

約数の個数: 16

約数和(自身を含む): 38875200

約数和(自身を除く): 18789928

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 80989, 161978, 323956, 647912, 2510659, 5021318, 10042636, 20085272]

約数ペア:

[(1, 20085272), (2, 10042636), (4, 5021318), (8, 2510659), (31, 647912), (62, 323956), (124, 161978), (248, 80989)]