20511331335

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{80149}}^1$

素因数の和:80229

約数の個数: 72

約数和(自身を含む): 39910852800

約数和(自身を除く): 19399521465

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 47, 55, 99, 121, 141, 165, 235, 363, 423, 495, 517, 605, 705, 1089, 1551, 1815, 2115, 2585, 4653, 5445, 5687, 7755, 17061, 23265, 28435, 51183, 80149, 85305, 240447, 255915, 400745, 721341, 881639, 1202235, 2644917, 3606705, 3767003, 4408195, 7934751, 9698029, 11301009, 13224585, 18835015, 29094087, 33903027, 39673755, 41437033, 48490145, 56505045, 87282261, 124311099, 145470435, 169515135, 207185165, 372933297, 436411305, 455807363, 621555495, 1367422089, 1864666485, 2279036815, 4102266267, 6837110445, 20511331335]

約数ペア:

[(1, 20511331335), (3, 6837110445), (5, 4102266267), (9, 2279036815), (11, 1864666485), (15, 1367422089), (33, 621555495), (45, 455807363), (47, 436411305), (55, 372933297), (99, 207185165), (121, 169515135), (141, 145470435), (165, 124311099), (235, 87282261), (363, 56505045), (423, 48490145), (495, 41437033), (517, 39673755), (605, 33903027), (705, 29094087), (1089, 18835015), (1551, 13224585), (1815, 11301009), (2115, 9698029), (2585, 7934751), (4653, 4408195), (5445, 3767003), (5687, 3606705), (7755, 2644917), (17061, 1202235), (23265, 881639), (28435, 721341), (51183, 400745), (80149, 255915), (85305, 240447)]