20892480

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{3109}}^1$

素因数の和:3136

約数の個数: 112

約数和(自身を含む): 75834240

約数和(自身を除く): 54941760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3109, 3360, 6218, 6720, 9327, 12436, 15545, 18654, 21763, 24872, 31090, 37308, 43526, 46635, 49744, 62180, 65289, 74616, 87052, 93270, 99488, 108815, 124360, 130578, 149232, 174104, 186540, 198976, 217630, 248720, 261156, 298464, 326445, 348208, 373080, 435260, 497440, 522312, 596928, 652890, 696416, 746160, 870520, 994880, 1044624, 1305780, 1392832, 1492320, 1741040, 2089248, 2611560, 2984640, 3482080, 4178496, 5223120, 6964160, 10446240, 20892480]

約数ペア:

[(1, 20892480), (2, 10446240), (3, 6964160), (4, 5223120), (5, 4178496), (6, 3482080), (7, 2984640), (8, 2611560), (10, 2089248), (12, 1741040), (14, 1492320), (15, 1392832), (16, 1305780), (20, 1044624), (21, 994880), (24, 870520), (28, 746160), (30, 696416), (32, 652890), (35, 596928), (40, 522312), (42, 497440), (48, 435260), (56, 373080), (60, 348208), (64, 326445), (70, 298464), (80, 261156), (84, 248720), (96, 217630), (105, 198976), (112, 186540), (120, 174104), (140, 149232), (160, 130578), (168, 124360), (192, 108815), (210, 99488), (224, 93270), (240, 87052), (280, 74616), (320, 65289), (336, 62180), (420, 49744), (448, 46635), (480, 43526), (560, 37308), (672, 31090), (840, 24872), (960, 21763), (1120, 18654), (1344, 15545), (1680, 12436), (2240, 9327), (3109, 6720), (3360, 6218)]