20118960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{27943}}^1$

素因数の和:27962

約数の個数: 60

約数和(自身を含む): 67568592

約数和(自身を除く): 47449632

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 27943, 55886, 83829, 111772, 139715, 167658, 223544, 251487, 279430, 335316, 419145, 447088, 502974, 558860, 670632, 838290, 1005948, 1117720, 1257435, 1341264, 1676580, 2011896, 2235440, 2514870, 3353160, 4023792, 5029740, 6706320, 10059480, 20118960]

約数ペア:

[(1, 20118960), (2, 10059480), (3, 6706320), (4, 5029740), (5, 4023792), (6, 3353160), (8, 2514870), (9, 2235440), (10, 2011896), (12, 1676580), (15, 1341264), (16, 1257435), (18, 1117720), (20, 1005948), (24, 838290), (30, 670632), (36, 558860), (40, 502974), (45, 447088), (48, 419145), (60, 335316), (72, 279430), (80, 251487), (90, 223544), (120, 167658), (144, 139715), (180, 111772), (240, 83829), (360, 55886), (720, 27943)]