20115976

素因数分解:

$2^3\times {\mathrm{503}}^1\times {\mathrm{4999}}^1$

素因数の和:5508

約数の個数: 16

約数和(自身を含む): 37800000

約数和(自身を除く): 17684024

約数列:

[1, 2, 4, 8, 503, 1006, 2012, 4024, 4999, 9998, 19996, 39992, 2514497, 5028994, 10057988, 20115976]

約数ペア:

[(1, 20115976), (2, 10057988), (4, 5028994), (8, 2514497), (503, 39992), (1006, 19996), (2012, 9998), (4024, 4999)]