20512990407

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{599}}^1\times {\mathrm{125441}}^1$

素因数の和:126063

約数の個数: 32

約数和(自身を含む): 33718809600

約数和(自身を除く): 13205819193

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 599, 1797, 4193, 7787, 12579, 23361, 54509, 125441, 163527, 376323, 878087, 1630733, 2634261, 4892199, 11415131, 34245393, 75139159, 225417477, 525974113, 976809067, 1577922339, 2930427201, 6837663469, 20512990407]

約数ペア:

[(1, 20512990407), (3, 6837663469), (7, 2930427201), (13, 1577922339), (21, 976809067), (39, 525974113), (91, 225417477), (273, 75139159), (599, 34245393), (1797, 11415131), (4193, 4892199), (7787, 2634261), (12579, 1630733), (23361, 878087), (54509, 376323), (125441, 163527)]