20578248

素因数分解:

$2^3\times 3^2\times {\mathrm{311}}^1\times {\mathrm{919}}^1$

素因数の和:1242

約数の個数: 48

約数和(自身を含む): 55972800

約数和(自身を除く): 35394552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 311, 622, 919, 933, 1244, 1838, 1866, 2488, 2757, 2799, 3676, 3732, 5514, 5598, 7352, 7464, 8271, 11028, 11196, 16542, 22056, 22392, 33084, 66168, 285809, 571618, 857427, 1143236, 1714854, 2286472, 2572281, 3429708, 5144562, 6859416, 10289124, 20578248]

約数ペア:

[(1, 20578248), (2, 10289124), (3, 6859416), (4, 5144562), (6, 3429708), (8, 2572281), (9, 2286472), (12, 1714854), (18, 1143236), (24, 857427), (36, 571618), (72, 285809), (311, 66168), (622, 33084), (919, 22392), (933, 22056), (1244, 16542), (1838, 11196), (1866, 11028), (2488, 8271), (2757, 7464), (2799, 7352), (3676, 5598), (3732, 5514)]