20207847

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{179}}^1\times {\mathrm{311}}^1$

素因数の和:515

約数の個数: 24

約数和(自身を含む): 29877120

約数和(自身を除く): 9669273

約数列:

[1, 3, 11, 33, 121, 179, 311, 363, 537, 933, 1969, 3421, 5907, 10263, 21659, 37631, 55669, 64977, 112893, 167007, 612359, 1837077, 6735949, 20207847]

約数ペア:

[(1, 20207847), (3, 6735949), (11, 1837077), (33, 612359), (121, 167007), (179, 112893), (311, 64977), (363, 55669), (537, 37631), (933, 21659), (1969, 10263), (3421, 5907)]