20348620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53549}}^1$

素因数の和:53577

約数の個数: 24

約数和(自身を含む): 44982000

約数和(自身を除く): 24633380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 53549, 107098, 214196, 267745, 535490, 1017431, 1070980, 2034862, 4069724, 5087155, 10174310, 20348620]

約数ペア:

[(1, 20348620), (2, 10174310), (4, 5087155), (5, 4069724), (10, 2034862), (19, 1070980), (20, 1017431), (38, 535490), (76, 267745), (95, 214196), (190, 107098), (380, 53549)]