20505277440

素因数分解:

$2^{10}\times 3^3\times 5^1\times {\mathrm{148331}}^1$

素因数の和:148365

約数の個数: 176

約数和(自身を含む): 72872544960

約数和(自身を除く): 52367267520

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, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 512, 540, 576, 640, 720, 768, 864, 960, 1024, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 2160, 2304, 2560, 2880, 3072, 3456, 3840, 4320, 4608, 5120, 5760, 6912, 7680, 8640, 9216, 11520, 13824, 15360, 17280, 23040, 27648, 34560, 46080, 69120, 138240, 148331, 296662, 444993, 593324, 741655, 889986, 1186648, 1334979, 1483310, 1779972, 2224965, 2373296, 2669958, 2966620, 3559944, 4004937, 4449930, 4746592, 5339916, 5933240, 6674895, 7119888, 8009874, 8899860, 9493184, 10679832, 11866480, 13349790, 14239776, 16019748, 17799720, 18986368, 20024685, 21359664, 23732960, 26699580, 28479552, 32039496, 35599440, 37972736, 40049370, 42719328, 47465920, 53399160, 56959104, 64078992, 71198880, 75945472, 80098740, 85438656, 94931840, 106798320, 113918208, 128157984, 142397760, 151890944, 160197480, 170877312, 189863680, 213596640, 227836416, 256315968, 284795520, 320394960, 341754624, 379727360, 427193280, 455672832, 512631936, 569591040, 640789920, 683509248, 759454720, 854386560, 1025263872, 1139182080, 1281579840, 1367018496, 1708773120, 2050527744, 2278364160, 2563159680, 3417546240, 4101055488, 5126319360, 6835092480, 10252638720, 20505277440]

約数ペア:

[(1, 20505277440), (2, 10252638720), (3, 6835092480), (4, 5126319360), (5, 4101055488), (6, 3417546240), (8, 2563159680), (9, 2278364160), (10, 2050527744), (12, 1708773120), (15, 1367018496), (16, 1281579840), (18, 1139182080), (20, 1025263872), (24, 854386560), (27, 759454720), (30, 683509248), (32, 640789920), (36, 569591040), (40, 512631936), (45, 455672832), (48, 427193280), (54, 379727360), (60, 341754624), (64, 320394960), (72, 284795520), (80, 256315968), (90, 227836416), (96, 213596640), (108, 189863680), (120, 170877312), (128, 160197480), (135, 151890944), (144, 142397760), (160, 128157984), (180, 113918208), (192, 106798320), (216, 94931840), (240, 85438656), (256, 80098740), (270, 75945472), (288, 71198880), (320, 64078992), (360, 56959104), (384, 53399160), (432, 47465920), (480, 42719328), (512, 40049370), (540, 37972736), (576, 35599440), (640, 32039496), (720, 28479552), (768, 26699580), (864, 23732960), (960, 21359664), (1024, 20024685), (1080, 18986368), (1152, 17799720), (1280, 16019748), (1440, 14239776), (1536, 13349790), (1728, 11866480), (1920, 10679832), (2160, 9493184), (2304, 8899860), (2560, 8009874), (2880, 7119888), (3072, 6674895), (3456, 5933240), (3840, 5339916), (4320, 4746592), (4608, 4449930), (5120, 4004937), (5760, 3559944), (6912, 2966620), (7680, 2669958), (8640, 2373296), (9216, 2224965), (11520, 1779972), (13824, 1483310), (15360, 1334979), (17280, 1186648), (23040, 889986), (27648, 741655), (34560, 593324), (46080, 444993), (69120, 296662), (138240, 148331)]