20715840

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{7193}}^1$

素因数の和:7216

約数の個数: 84

約数和(自身を含む): 71263764

約数和(自身を除く): 50547924

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, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 7193, 14386, 21579, 28772, 35965, 43158, 57544, 64737, 71930, 86316, 107895, 115088, 129474, 143860, 172632, 215790, 230176, 258948, 287720, 323685, 345264, 431580, 460352, 517896, 575440, 647370, 690528, 863160, 1035792, 1150880, 1294740, 1381056, 1726320, 2071584, 2301760, 2589480, 3452640, 4143168, 5178960, 6905280, 10357920, 20715840]

約数ペア:

[(1, 20715840), (2, 10357920), (3, 6905280), (4, 5178960), (5, 4143168), (6, 3452640), (8, 2589480), (9, 2301760), (10, 2071584), (12, 1726320), (15, 1381056), (16, 1294740), (18, 1150880), (20, 1035792), (24, 863160), (30, 690528), (32, 647370), (36, 575440), (40, 517896), (45, 460352), (48, 431580), (60, 345264), (64, 323685), (72, 287720), (80, 258948), (90, 230176), (96, 215790), (120, 172632), (144, 143860), (160, 129474), (180, 115088), (192, 107895), (240, 86316), (288, 71930), (320, 64737), (360, 57544), (480, 43158), (576, 35965), (720, 28772), (960, 21579), (1440, 14386), (2880, 7193)]