20365920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14143}}^1$

素因数の和:14164

約数の個数: 72

約数和(自身を含む): 69503616

約数和(自身を除く): 49137696

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, 14143, 28286, 42429, 56572, 70715, 84858, 113144, 127287, 141430, 169716, 212145, 226288, 254574, 282860, 339432, 424290, 452576, 509148, 565720, 636435, 678864, 848580, 1018296, 1131440, 1272870, 1357728, 1697160, 2036592, 2262880, 2545740, 3394320, 4073184, 5091480, 6788640, 10182960, 20365920]

約数ペア:

[(1, 20365920), (2, 10182960), (3, 6788640), (4, 5091480), (5, 4073184), (6, 3394320), (8, 2545740), (9, 2262880), (10, 2036592), (12, 1697160), (15, 1357728), (16, 1272870), (18, 1131440), (20, 1018296), (24, 848580), (30, 678864), (32, 636435), (36, 565720), (40, 509148), (45, 452576), (48, 424290), (60, 339432), (72, 282860), (80, 254574), (90, 226288), (96, 212145), (120, 169716), (144, 141430), (160, 127287), (180, 113144), (240, 84858), (288, 70715), (360, 56572), (480, 42429), (720, 28286), (1440, 14143)]