20148535

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{9901}}^1$

素因数の和:9954

約数の個数: 16

約数和(自身を含む): 27091872

約数和(自身を除く): 6943337

約数列:

[1, 5, 11, 37, 55, 185, 407, 2035, 9901, 49505, 108911, 366337, 544555, 1831685, 4029707, 20148535]

約数ペア:

[(1, 20148535), (5, 4029707), (11, 1831685), (37, 544555), (55, 366337), (185, 108911), (407, 49505), (2035, 9901)]