20425890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{2423}}^1$

素因数の和:2714

約数の個数: 32

約数和(自身を含む): 49216896

約数和(自身を除く): 28791006

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 281, 562, 843, 1405, 1686, 2423, 2810, 4215, 4846, 7269, 8430, 12115, 14538, 24230, 36345, 72690, 680863, 1361726, 2042589, 3404315, 4085178, 6808630, 10212945, 20425890]

約数ペア:

[(1, 20425890), (2, 10212945), (3, 6808630), (5, 4085178), (6, 3404315), (10, 2042589), (15, 1361726), (30, 680863), (281, 72690), (562, 36345), (843, 24230), (1405, 14538), (1686, 12115), (2423, 8430), (2810, 7269), (4215, 4846)]