20651994

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2819}}^1$

素因数の和:2875

約数の個数: 48

約数和(自身を含む): 50150880

約数和(自身を除く): 29498886

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 37, 66, 74, 99, 111, 198, 222, 333, 407, 666, 814, 1221, 2442, 2819, 3663, 5638, 7326, 8457, 16914, 25371, 31009, 50742, 62018, 93027, 104303, 186054, 208606, 279081, 312909, 558162, 625818, 938727, 1147333, 1877454, 2294666, 3441999, 6883998, 10325997, 20651994]

約数ペア:

[(1, 20651994), (2, 10325997), (3, 6883998), (6, 3441999), (9, 2294666), (11, 1877454), (18, 1147333), (22, 938727), (33, 625818), (37, 558162), (66, 312909), (74, 279081), (99, 208606), (111, 186054), (198, 104303), (222, 93027), (333, 62018), (407, 50742), (666, 31009), (814, 25371), (1221, 16914), (2442, 8457), (2819, 7326), (3663, 5638)]