20217672

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{14779}}^1$

素因数の和:14810

約数の個数: 48

約数和(自身を含む): 57642000

約数和(自身を除く): 37424328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 14779, 29558, 44337, 59116, 88674, 118232, 133011, 177348, 266022, 280801, 354696, 532044, 561602, 842403, 1064088, 1123204, 1684806, 2246408, 2527209, 3369612, 5054418, 6739224, 10108836, 20217672]

約数ペア:

[(1, 20217672), (2, 10108836), (3, 6739224), (4, 5054418), (6, 3369612), (8, 2527209), (9, 2246408), (12, 1684806), (18, 1123204), (19, 1064088), (24, 842403), (36, 561602), (38, 532044), (57, 354696), (72, 280801), (76, 266022), (114, 177348), (152, 133011), (171, 118232), (228, 88674), (342, 59116), (456, 44337), (684, 29558), (1368, 14779)]