20718409920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{5237}}^1$

素因数の和:5587

約数の個数: 224

約数和(自身を含む): 71078067648

約数和(自身を除く): 50359657728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 317, 320, 390, 416, 480, 520, 624, 634, 780, 832, 951, 960, 1040, 1248, 1268, 1560, 1585, 1902, 2080, 2496, 2536, 3120, 3170, 3804, 4121, 4160, 4755, 5072, 5237, 6240, 6340, 7608, 8242, 9510, 10144, 10474, 12363, 12480, 12680, 15216, 15711, 16484, 19020, 20288, 20605, 20948, 24726, 25360, 26185, 30432, 31422, 32968, 38040, 41210, 41896, 49452, 50720, 52370, 60864, 61815, 62844, 65936, 68081, 76080, 78555, 82420, 83792, 98904, 101440, 104740, 123630, 125688, 131872, 136162, 152160, 157110, 164840, 167584, 197808, 204243, 209480, 247260, 251376, 263744, 272324, 304320, 314220, 329680, 335168, 340405, 395616, 408486, 418960, 494520, 502752, 544648, 628440, 659360, 680810, 791232, 816972, 837920, 989040, 1005504, 1021215, 1089296, 1256880, 1318720, 1361620, 1633944, 1660129, 1675840, 1978080, 2042430, 2178592, 2513760, 2723240, 3267888, 3320258, 3956160, 4084860, 4357184, 4980387, 5027520, 5446480, 6535776, 6640516, 8169720, 8300645, 9960774, 10892960, 13071552, 13281032, 16339440, 16601290, 19921548, 21581677, 21785920, 24901935, 26562064, 32678880, 33202580, 39843096, 43163354, 49803870, 53124128, 64745031, 65357760, 66405160, 79686192, 86326708, 99607740, 106248256, 107908385, 129490062, 132810320, 159372384, 172653416, 199215480, 215816770, 258980124, 265620640, 318744768, 323725155, 345306832, 398430960, 431633540, 517960248, 531241280, 647450310, 690613664, 796861920, 863267080, 1035920496, 1294900620, 1381227328, 1593723840, 1726534160, 2071840992, 2589801240, 3453068320, 4143681984, 5179602480, 6906136640, 10359204960, 20718409920]

約数ペア:

[(1, 20718409920), (2, 10359204960), (3, 6906136640), (4, 5179602480), (5, 4143681984), (6, 3453068320), (8, 2589801240), (10, 2071840992), (12, 1726534160), (13, 1593723840), (15, 1381227328), (16, 1294900620), (20, 1035920496), (24, 863267080), (26, 796861920), (30, 690613664), (32, 647450310), (39, 531241280), (40, 517960248), (48, 431633540), (52, 398430960), (60, 345306832), (64, 323725155), (65, 318744768), (78, 265620640), (80, 258980124), (96, 215816770), (104, 199215480), (120, 172653416), (130, 159372384), (156, 132810320), (160, 129490062), (192, 107908385), (195, 106248256), (208, 99607740), (240, 86326708), (260, 79686192), (312, 66405160), (317, 65357760), (320, 64745031), (390, 53124128), (416, 49803870), (480, 43163354), (520, 39843096), (624, 33202580), (634, 32678880), (780, 26562064), (832, 24901935), (951, 21785920), (960, 21581677), (1040, 19921548), (1248, 16601290), (1268, 16339440), (1560, 13281032), (1585, 13071552), (1902, 10892960), (2080, 9960774), (2496, 8300645), (2536, 8169720), (3120, 6640516), (3170, 6535776), (3804, 5446480), (4121, 5027520), (4160, 4980387), (4755, 4357184), (5072, 4084860), (5237, 3956160), (6240, 3320258), (6340, 3267888), (7608, 2723240), (8242, 2513760), (9510, 2178592), (10144, 2042430), (10474, 1978080), (12363, 1675840), (12480, 1660129), (12680, 1633944), (15216, 1361620), (15711, 1318720), (16484, 1256880), (19020, 1089296), (20288, 1021215), (20605, 1005504), (20948, 989040), (24726, 837920), (25360, 816972), (26185, 791232), (30432, 680810), (31422, 659360), (32968, 628440), (38040, 544648), (41210, 502752), (41896, 494520), (49452, 418960), (50720, 408486), (52370, 395616), (60864, 340405), (61815, 335168), (62844, 329680), (65936, 314220), (68081, 304320), (76080, 272324), (78555, 263744), (82420, 251376), (83792, 247260), (98904, 209480), (101440, 204243), (104740, 197808), (123630, 167584), (125688, 164840), (131872, 157110), (136162, 152160)]