19952820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{110849}}^1$

素因数の和:110864

約数の個数: 36

約数和(自身を含む): 60524100

約数和(自身を除く): 40571280

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 110849, 221698, 332547, 443396, 554245, 665094, 997641, 1108490, 1330188, 1662735, 1995282, 2216980, 3325470, 3990564, 4988205, 6650940, 9976410, 19952820]

約数ペア:

[(1, 19952820), (2, 9976410), (3, 6650940), (4, 4988205), (5, 3990564), (6, 3325470), (9, 2216980), (10, 1995282), (12, 1662735), (15, 1330188), (18, 1108490), (20, 997641), (30, 665094), (36, 554245), (45, 443396), (60, 332547), (90, 221698), (180, 110849)]