20584465

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{12073}}^1$

素因数の和:12120

約数の個数: 16

約数和(自身を含む): 27818496

約数和(自身を除く): 7234031

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 12073, 60365, 132803, 374263, 664015, 1871315, 4116893, 20584465]

約数ペア:

[(1, 20584465), (5, 4116893), (11, 1871315), (31, 664015), (55, 374263), (155, 132803), (341, 60365), (1705, 12073)]