20849987520

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{23893}}^1$

素因数の和:24020

約数の個数: 224

約数和(自身を含む): 74285490240

約数和(自身を除く): 53435502720

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, 101, 108, 120, 135, 144, 160, 180, 192, 202, 216, 240, 270, 288, 303, 320, 360, 404, 432, 480, 505, 540, 576, 606, 720, 808, 864, 909, 960, 1010, 1080, 1212, 1440, 1515, 1616, 1728, 1818, 2020, 2160, 2424, 2727, 2880, 3030, 3232, 3636, 4040, 4320, 4545, 4848, 5454, 6060, 6464, 7272, 8080, 8640, 9090, 9696, 10908, 12120, 13635, 14544, 16160, 18180, 19392, 21816, 23893, 24240, 27270, 29088, 32320, 36360, 43632, 47786, 48480, 54540, 58176, 71679, 72720, 87264, 95572, 96960, 109080, 119465, 143358, 145440, 174528, 191144, 215037, 218160, 238930, 286716, 290880, 358395, 382288, 430074, 436320, 477860, 573432, 645111, 716790, 764576, 860148, 872640, 955720, 1075185, 1146864, 1290222, 1433580, 1529152, 1720296, 1911440, 2150370, 2293728, 2413193, 2580444, 2867160, 3225555, 3440592, 3822880, 4300740, 4587456, 4826386, 5160888, 5734320, 6451110, 6881184, 7239579, 7645760, 8601480, 9652772, 10321776, 11468640, 12065965, 12902220, 13762368, 14479158, 17202960, 19305544, 20643552, 21718737, 22937280, 24131930, 25804440, 28958316, 34405920, 36197895, 38611088, 41287104, 43437474, 48263860, 51608880, 57916632, 65156211, 68811840, 72395790, 77222176, 86874948, 96527720, 103217760, 108593685, 115833264, 130312422, 144791580, 154444352, 173749896, 193055440, 206435520, 217187370, 231666528, 260624844, 289583160, 325781055, 347499792, 386110880, 434374740, 463333056, 521249688, 579166320, 651562110, 694999584, 772221760, 868749480, 1042499376, 1158332640, 1303124220, 1389999168, 1737498960, 2084998752, 2316665280, 2606248440, 3474997920, 4169997504, 5212496880, 6949995840, 10424993760, 20849987520]

約数ペア:

[(1, 20849987520), (2, 10424993760), (3, 6949995840), (4, 5212496880), (5, 4169997504), (6, 3474997920), (8, 2606248440), (9, 2316665280), (10, 2084998752), (12, 1737498960), (15, 1389999168), (16, 1303124220), (18, 1158332640), (20, 1042499376), (24, 868749480), (27, 772221760), (30, 694999584), (32, 651562110), (36, 579166320), (40, 521249688), (45, 463333056), (48, 434374740), (54, 386110880), (60, 347499792), (64, 325781055), (72, 289583160), (80, 260624844), (90, 231666528), (96, 217187370), (101, 206435520), (108, 193055440), (120, 173749896), (135, 154444352), (144, 144791580), (160, 130312422), (180, 115833264), (192, 108593685), (202, 103217760), (216, 96527720), (240, 86874948), (270, 77222176), (288, 72395790), (303, 68811840), (320, 65156211), (360, 57916632), (404, 51608880), (432, 48263860), (480, 43437474), (505, 41287104), (540, 38611088), (576, 36197895), (606, 34405920), (720, 28958316), (808, 25804440), (864, 24131930), (909, 22937280), (960, 21718737), (1010, 20643552), (1080, 19305544), (1212, 17202960), (1440, 14479158), (1515, 13762368), (1616, 12902220), (1728, 12065965), (1818, 11468640), (2020, 10321776), (2160, 9652772), (2424, 8601480), (2727, 7645760), (2880, 7239579), (3030, 6881184), (3232, 6451110), (3636, 5734320), (4040, 5160888), (4320, 4826386), (4545, 4587456), (4848, 4300740), (5454, 3822880), (6060, 3440592), (6464, 3225555), (7272, 2867160), (8080, 2580444), (8640, 2413193), (9090, 2293728), (9696, 2150370), (10908, 1911440), (12120, 1720296), (13635, 1529152), (14544, 1433580), (16160, 1290222), (18180, 1146864), (19392, 1075185), (21816, 955720), (23893, 872640), (24240, 860148), (27270, 764576), (29088, 716790), (32320, 645111), (36360, 573432), (43632, 477860), (47786, 436320), (48480, 430074), (54540, 382288), (58176, 358395), (71679, 290880), (72720, 286716), (87264, 238930), (95572, 218160), (96960, 215037), (109080, 191144), (119465, 174528), (143358, 145440)]