20448541

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{641}}^1$

素因数の和:756

約数の個数: 16

約数和(自身を含む): 22803840

約数和(自身を除く): 2355299

約数列:

[1, 19, 23, 73, 437, 641, 1387, 1679, 12179, 14743, 31901, 46793, 280117, 889067, 1076239, 20448541]

約数ペア:

[(1, 20448541), (19, 1076239), (23, 889067), (73, 280117), (437, 46793), (641, 31901), (1387, 14743), (1679, 12179)]