20214900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{7487}}^1$

素因数の和:7510

約数の個数: 72

約数和(自身を含む): 64995840

約数和(自身を除く): 44780940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 225, 270, 300, 450, 540, 675, 900, 1350, 2700, 7487, 14974, 22461, 29948, 37435, 44922, 67383, 74870, 89844, 112305, 134766, 149740, 187175, 202149, 224610, 269532, 336915, 374350, 404298, 449220, 561525, 673830, 748700, 808596, 1010745, 1123050, 1347660, 1684575, 2021490, 2246100, 3369150, 4042980, 5053725, 6738300, 10107450, 20214900]

約数ペア:

[(1, 20214900), (2, 10107450), (3, 6738300), (4, 5053725), (5, 4042980), (6, 3369150), (9, 2246100), (10, 2021490), (12, 1684575), (15, 1347660), (18, 1123050), (20, 1010745), (25, 808596), (27, 748700), (30, 673830), (36, 561525), (45, 449220), (50, 404298), (54, 374350), (60, 336915), (75, 269532), (90, 224610), (100, 202149), (108, 187175), (135, 149740), (150, 134766), (180, 112305), (225, 89844), (270, 74870), (300, 67383), (450, 44922), (540, 37435), (675, 29948), (900, 22461), (1350, 14974), (2700, 7487)]