20398356

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{51511}}^1$

素因数の和:51532

約数の個数: 36

約数和(自身を含む): 56251104

約数和(自身を除く): 35852748

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 51511, 103022, 154533, 206044, 309066, 463599, 566621, 618132, 927198, 1133242, 1699863, 1854396, 2266484, 3399726, 5099589, 6799452, 10199178, 20398356]

約数ペア:

[(1, 20398356), (2, 10199178), (3, 6799452), (4, 5099589), (6, 3399726), (9, 2266484), (11, 1854396), (12, 1699863), (18, 1133242), (22, 927198), (33, 618132), (36, 566621), (44, 463599), (66, 309066), (99, 206044), (132, 154533), (198, 103022), (396, 51511)]