20104244

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{823}}^1$

素因数の和:1055

約数の個数: 24

約数和(自身を含む): 36546048

約数和(自身を除く): 16441804

約数列:

[1, 2, 4, 31, 62, 124, 197, 394, 788, 823, 1646, 3292, 6107, 12214, 24428, 25513, 51026, 102052, 162131, 324262, 648524, 5026061, 10052122, 20104244]

約数ペア:

[(1, 20104244), (2, 10052122), (4, 5026061), (31, 648524), (62, 324262), (124, 162131), (197, 102052), (394, 51026), (788, 25513), (823, 24428), (1646, 12214), (3292, 6107)]