20139620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{52999}}^1$

素因数の和:53027

約数の個数: 24

約数和(自身を含む): 44520000

約数和(自身を除く): 24380380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 52999, 105998, 211996, 264995, 529990, 1006981, 1059980, 2013962, 4027924, 5034905, 10069810, 20139620]

約数ペア:

[(1, 20139620), (2, 10069810), (4, 5034905), (5, 4027924), (10, 2013962), (19, 1059980), (20, 1006981), (38, 529990), (76, 264995), (95, 211996), (190, 105998), (380, 52999)]