20705093280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14378537}}^1$

素因数の和:14378558

約数の個数: 72

約数和(自身を含む): 70656135732

約数和(自身を除く): 49951042452

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 14378537, 28757074, 43135611, 57514148, 71892685, 86271222, 115028296, 129406833, 143785370, 172542444, 215678055, 230056592, 258813666, 287570740, 345084888, 431356110, 460113184, 517627332, 575141480, 647034165, 690169776, 862712220, 1035254664, 1150282960, 1294068330, 1380339552, 1725424440, 2070509328, 2300565920, 2588136660, 3450848880, 4141018656, 5176273320, 6901697760, 10352546640, 20705093280]

約数ペア:

[(1, 20705093280), (2, 10352546640), (3, 6901697760), (4, 5176273320), (5, 4141018656), (6, 3450848880), (8, 2588136660), (9, 2300565920), (10, 2070509328), (12, 1725424440), (15, 1380339552), (16, 1294068330), (18, 1150282960), (20, 1035254664), (24, 862712220), (30, 690169776), (32, 647034165), (36, 575141480), (40, 517627332), (45, 460113184), (48, 431356110), (60, 345084888), (72, 287570740), (80, 258813666), (90, 230056592), (96, 215678055), (120, 172542444), (144, 143785370), (160, 129406833), (180, 115028296), (240, 86271222), (288, 71892685), (360, 57514148), (480, 43135611), (720, 28757074), (1440, 14378537)]