20475809536

素因数分解:

$2^8\times 7^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{409}}^1$

素因数の和:759

約数の個数: 216

約数和(自身を含む): 51494205840

約数和(自身を除く): 31018396304

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 128, 182, 196, 208, 224, 256, 307, 364, 392, 409, 416, 448, 614, 637, 728, 784, 818, 832, 896, 1228, 1274, 1456, 1568, 1636, 1664, 1792, 2149, 2456, 2548, 2863, 2912, 3136, 3272, 3328, 3991, 4298, 4912, 5096, 5317, 5726, 5824, 6272, 6544, 7982, 8596, 9824, 10192, 10634, 11452, 11648, 12544, 13088, 15043, 15964, 17192, 19648, 20041, 20384, 21268, 22904, 23296, 26176, 27937, 30086, 31928, 34384, 37219, 39296, 40082, 40768, 42536, 45808, 52352, 55874, 60172, 63856, 68768, 74438, 78592, 80164, 81536, 85072, 91616, 104704, 111748, 120344, 125563, 127712, 137536, 148876, 160328, 163072, 170144, 183232, 195559, 223496, 240688, 251126, 255424, 260533, 275072, 297752, 320656, 340288, 366464, 391118, 446992, 481376, 502252, 510848, 521066, 550144, 595504, 641312, 680576, 732928, 782236, 878941, 893984, 962752, 1004504, 1021696, 1042132, 1191008, 1282624, 1361152, 1564472, 1632319, 1757882, 1787968, 1925504, 2009008, 2084264, 2382016, 2565248, 3128944, 3264638, 3515764, 3575936, 3851008, 4018016, 4168528, 4764032, 5130496, 6152587, 6257888, 6529276, 7031528, 7151872, 8036032, 8337056, 9528064, 11426233, 12305174, 12515776, 13058552, 14063056, 16072064, 16674112, 22852466, 24610348, 25031552, 26117104, 28126112, 32144128, 33348224, 45704932, 49220696, 50063104, 52234208, 56252224, 66696448, 79983631, 91409864, 98441392, 104468416, 112504448, 159967262, 182819728, 196882784, 208936832, 225008896, 319934524, 365639456, 393765568, 417873664, 639869048, 731278912, 787531136, 1279738096, 1462557824, 1575062272, 2559476192, 2925115648, 5118952384, 10237904768, 20475809536]

約数ペア:

[(1, 20475809536), (2, 10237904768), (4, 5118952384), (7, 2925115648), (8, 2559476192), (13, 1575062272), (14, 1462557824), (16, 1279738096), (26, 787531136), (28, 731278912), (32, 639869048), (49, 417873664), (52, 393765568), (56, 365639456), (64, 319934524), (91, 225008896), (98, 208936832), (104, 196882784), (112, 182819728), (128, 159967262), (182, 112504448), (196, 104468416), (208, 98441392), (224, 91409864), (256, 79983631), (307, 66696448), (364, 56252224), (392, 52234208), (409, 50063104), (416, 49220696), (448, 45704932), (614, 33348224), (637, 32144128), (728, 28126112), (784, 26117104), (818, 25031552), (832, 24610348), (896, 22852466), (1228, 16674112), (1274, 16072064), (1456, 14063056), (1568, 13058552), (1636, 12515776), (1664, 12305174), (1792, 11426233), (2149, 9528064), (2456, 8337056), (2548, 8036032), (2863, 7151872), (2912, 7031528), (3136, 6529276), (3272, 6257888), (3328, 6152587), (3991, 5130496), (4298, 4764032), (4912, 4168528), (5096, 4018016), (5317, 3851008), (5726, 3575936), (5824, 3515764), (6272, 3264638), (6544, 3128944), (7982, 2565248), (8596, 2382016), (9824, 2084264), (10192, 2009008), (10634, 1925504), (11452, 1787968), (11648, 1757882), (12544, 1632319), (13088, 1564472), (15043, 1361152), (15964, 1282624), (17192, 1191008), (19648, 1042132), (20041, 1021696), (20384, 1004504), (21268, 962752), (22904, 893984), (23296, 878941), (26176, 782236), (27937, 732928), (30086, 680576), (31928, 641312), (34384, 595504), (37219, 550144), (39296, 521066), (40082, 510848), (40768, 502252), (42536, 481376), (45808, 446992), (52352, 391118), (55874, 366464), (60172, 340288), (63856, 320656), (68768, 297752), (74438, 275072), (78592, 260533), (80164, 255424), (81536, 251126), (85072, 240688), (91616, 223496), (104704, 195559), (111748, 183232), (120344, 170144), (125563, 163072), (127712, 160328), (137536, 148876)]