2005152020

素因数分解:

$2^2\times 5^1\times {\mathrm{8513}}^1\times {\mathrm{11777}}^1$

素因数の和:20299

約数の個数: 24

約数和(自身を含む): 4211671464

約数和(自身を除く): 2206519444

約数列:

[1, 2, 4, 5, 10, 20, 8513, 11777, 17026, 23554, 34052, 42565, 47108, 58885, 85130, 117770, 170260, 235540, 100257601, 200515202, 401030404, 501288005, 1002576010, 2005152020]

約数ペア:

[(1, 2005152020), (2, 1002576010), (4, 501288005), (5, 401030404), (10, 200515202), (20, 100257601), (8513, 235540), (11777, 170260), (17026, 117770), (23554, 85130), (34052, 58885), (42565, 47108)]