20128688

素因数分解:

$2^4\times {\mathrm{1093}}^1\times {\mathrm{1151}}^1$

素因数の和:2252

約数の個数: 20

約数和(自身を含む): 39068928

約数和(自身を除く): 18940240

約数列:

[1, 2, 4, 8, 16, 1093, 1151, 2186, 2302, 4372, 4604, 8744, 9208, 17488, 18416, 1258043, 2516086, 5032172, 10064344, 20128688]

約数ペア:

[(1, 20128688), (2, 10064344), (4, 5032172), (8, 2516086), (16, 1258043), (1093, 18416), (1151, 17488), (2186, 9208), (2302, 8744), (4372, 4604)]