20247608416

素因数分解:

$2^5\times 7^1\times {\mathrm{229}}^1\times {\mathrm{394721}}^1$

素因数の和:394967

約数の個数: 48

約数和(自身を含む): 45756174240

約数和(自身を除く): 25508565824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 229, 458, 916, 1603, 1832, 3206, 3664, 6412, 7328, 12824, 25648, 51296, 394721, 789442, 1578884, 2763047, 3157768, 5526094, 6315536, 11052188, 12631072, 22104376, 44208752, 88417504, 90391109, 180782218, 361564436, 632737763, 723128872, 1265475526, 1446257744, 2530951052, 2892515488, 5061902104, 10123804208, 20247608416]

約数ペア:

[(1, 20247608416), (2, 10123804208), (4, 5061902104), (7, 2892515488), (8, 2530951052), (14, 1446257744), (16, 1265475526), (28, 723128872), (32, 632737763), (56, 361564436), (112, 180782218), (224, 90391109), (229, 88417504), (458, 44208752), (916, 22104376), (1603, 12631072), (1832, 11052188), (3206, 6315536), (3664, 5526094), (6412, 3157768), (7328, 2763047), (12824, 1578884), (25648, 789442), (51296, 394721)]