20972376

素因数分解:

$2^3\times 3^2\times {\mathrm{59}}^1\times {\mathrm{4937}}^1$

素因数の和:5008

約数の個数: 48

約数和(自身を含む): 57774600

約数和(自身を除く): 36802224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 59, 72, 118, 177, 236, 354, 472, 531, 708, 1062, 1416, 2124, 4248, 4937, 9874, 14811, 19748, 29622, 39496, 44433, 59244, 88866, 118488, 177732, 291283, 355464, 582566, 873849, 1165132, 1747698, 2330264, 2621547, 3495396, 5243094, 6990792, 10486188, 20972376]

約数ペア:

[(1, 20972376), (2, 10486188), (3, 6990792), (4, 5243094), (6, 3495396), (8, 2621547), (9, 2330264), (12, 1747698), (18, 1165132), (24, 873849), (36, 582566), (59, 355464), (72, 291283), (118, 177732), (177, 118488), (236, 88866), (354, 59244), (472, 44433), (531, 39496), (708, 29622), (1062, 19748), (1416, 14811), (2124, 9874), (4248, 4937)]