20801048

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{136849}}^1$

素因数の和:136874

約数の個数: 16

約数和(自身を含む): 41055000

約数和(自身を除く): 20253952

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 136849, 273698, 547396, 1094792, 2600131, 5200262, 10400524, 20801048]

約数ペア:

[(1, 20801048), (2, 10400524), (4, 5200262), (8, 2600131), (19, 1094792), (38, 547396), (76, 273698), (152, 136849)]