20081988

素因数分解:

$2^2\times 3^2\times {\mathrm{607}}^1\times {\mathrm{919}}^1$

素因数の和:1536

約数の個数: 36

約数和(自身を含む): 50901760

約数和(自身を除く): 30819772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 607, 919, 1214, 1821, 1838, 2428, 2757, 3642, 3676, 5463, 5514, 7284, 8271, 10926, 11028, 16542, 21852, 33084, 557833, 1115666, 1673499, 2231332, 3346998, 5020497, 6693996, 10040994, 20081988]

約数ペア:

[(1, 20081988), (2, 10040994), (3, 6693996), (4, 5020497), (6, 3346998), (9, 2231332), (12, 1673499), (18, 1115666), (36, 557833), (607, 33084), (919, 21852), (1214, 16542), (1821, 11028), (1838, 10926), (2428, 8271), (2757, 7284), (3642, 5514), (3676, 5463)]