20882880

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{2417}}^1$

素因数の和:2443

約数の個数: 112

約数和(自身を含む): 73700640

約数和(自身を除く): 52817760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2417, 2880, 4320, 4834, 7251, 8640, 9668, 12085, 14502, 19336, 21753, 24170, 29004, 36255, 38672, 43506, 48340, 58008, 65259, 72510, 77344, 87012, 96680, 108765, 116016, 130518, 145020, 154688, 174024, 193360, 217530, 232032, 261036, 290040, 326295, 348048, 386720, 435060, 464064, 522072, 580080, 652590, 696096, 773440, 870120, 1044144, 1160160, 1305180, 1392192, 1740240, 2088288, 2320320, 2610360, 3480480, 4176576, 5220720, 6960960, 10441440, 20882880]

約数ペア:

[(1, 20882880), (2, 10441440), (3, 6960960), (4, 5220720), (5, 4176576), (6, 3480480), (8, 2610360), (9, 2320320), (10, 2088288), (12, 1740240), (15, 1392192), (16, 1305180), (18, 1160160), (20, 1044144), (24, 870120), (27, 773440), (30, 696096), (32, 652590), (36, 580080), (40, 522072), (45, 464064), (48, 435060), (54, 386720), (60, 348048), (64, 326295), (72, 290040), (80, 261036), (90, 232032), (96, 217530), (108, 193360), (120, 174024), (135, 154688), (144, 145020), (160, 130518), (180, 116016), (192, 108765), (216, 96680), (240, 87012), (270, 77344), (288, 72510), (320, 65259), (360, 58008), (432, 48340), (480, 43506), (540, 38672), (576, 36255), (720, 29004), (864, 24170), (960, 21753), (1080, 19336), (1440, 14502), (1728, 12085), (2160, 9668), (2417, 8640), (2880, 7251), (4320, 4834)]