20741880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{172849}}^1$

素因数の和:172863

約数の個数: 32

約数和(自身を含む): 62226000

約数和(自身を除く): 41484120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 172849, 345698, 518547, 691396, 864245, 1037094, 1382792, 1728490, 2074188, 2592735, 3456980, 4148376, 5185470, 6913960, 10370940, 20741880]

約数ペア:

[(1, 20741880), (2, 10370940), (3, 6913960), (4, 5185470), (5, 4148376), (6, 3456980), (8, 2592735), (10, 2074188), (12, 1728490), (15, 1382792), (20, 1037094), (24, 864245), (30, 691396), (40, 518547), (60, 345698), (120, 172849)]