20489033520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{64237}}^1$

素因数の和:64699

約数の個数: 120

約数和(自身を含む): 68965402896

約数和(自身を除く): 48476369376

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 443, 720, 886, 1329, 1772, 2215, 2658, 3544, 3987, 4430, 5316, 6645, 7088, 7974, 8860, 10632, 13290, 15948, 17720, 19935, 21264, 26580, 31896, 35440, 39870, 53160, 63792, 64237, 79740, 106320, 128474, 159480, 192711, 256948, 318960, 321185, 385422, 513896, 578133, 642370, 770844, 963555, 1027792, 1156266, 1284740, 1541688, 1927110, 2312532, 2569480, 2890665, 3083376, 3854220, 4625064, 5138960, 5781330, 7708440, 9250128, 11562660, 15416880, 23125320, 28456991, 46250640, 56913982, 85370973, 113827964, 142284955, 170741946, 227655928, 256112919, 284569910, 341483892, 426854865, 455311856, 512225838, 569139820, 682967784, 853709730, 1024451676, 1138279640, 1280564595, 1365935568, 1707419460, 2048903352, 2276559280, 2561129190, 3414838920, 4097806704, 5122258380, 6829677840, 10244516760, 20489033520]

約数ペア:

[(1, 20489033520), (2, 10244516760), (3, 6829677840), (4, 5122258380), (5, 4097806704), (6, 3414838920), (8, 2561129190), (9, 2276559280), (10, 2048903352), (12, 1707419460), (15, 1365935568), (16, 1280564595), (18, 1138279640), (20, 1024451676), (24, 853709730), (30, 682967784), (36, 569139820), (40, 512225838), (45, 455311856), (48, 426854865), (60, 341483892), (72, 284569910), (80, 256112919), (90, 227655928), (120, 170741946), (144, 142284955), (180, 113827964), (240, 85370973), (360, 56913982), (443, 46250640), (720, 28456991), (886, 23125320), (1329, 15416880), (1772, 11562660), (2215, 9250128), (2658, 7708440), (3544, 5781330), (3987, 5138960), (4430, 4625064), (5316, 3854220), (6645, 3083376), (7088, 2890665), (7974, 2569480), (8860, 2312532), (10632, 1927110), (13290, 1541688), (15948, 1284740), (17720, 1156266), (19935, 1027792), (21264, 963555), (26580, 770844), (31896, 642370), (35440, 578133), (39870, 513896), (53160, 385422), (63792, 321185), (64237, 318960), (79740, 256948), (106320, 192711), (128474, 159480)]