20349670208

素因数分解:

$2^6\times 7^2\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{911}}^1$

素因数の和:1373

約数の個数: 168

約数和(自身を含む): 49910878080

約数和(自身を除く): 29561207872

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 64, 68, 98, 112, 119, 136, 196, 224, 238, 272, 392, 419, 448, 476, 544, 784, 833, 838, 911, 952, 1088, 1568, 1666, 1676, 1822, 1904, 2933, 3136, 3332, 3352, 3644, 3808, 5866, 6377, 6664, 6704, 7123, 7288, 7616, 11732, 12754, 13328, 13408, 14246, 14576, 15487, 20531, 23464, 25508, 26656, 26816, 28492, 29152, 30974, 41062, 44639, 46928, 49861, 51016, 53312, 56984, 58304, 61948, 82124, 89278, 93856, 99722, 102032, 108409, 113968, 123896, 164248, 178556, 187712, 199444, 204064, 216818, 227936, 247792, 328496, 349027, 357112, 381709, 398888, 408128, 433636, 455872, 495584, 656992, 698054, 714224, 758863, 763418, 797776, 867272, 991168, 1313984, 1396108, 1428448, 1517726, 1526836, 1595552, 1734544, 2671963, 2792216, 2856896, 3035452, 3053672, 3191104, 3469088, 5343926, 5584432, 6070904, 6107344, 6489053, 6938176, 10687852, 11168864, 12141808, 12214688, 12978106, 18703741, 21375704, 22337728, 24283616, 24429376, 25956212, 37407482, 42751408, 45423371, 48567232, 51912424, 74814964, 85502816, 90846742, 103824848, 149629928, 171005632, 181693484, 207649696, 299259856, 317963597, 363386968, 415299392, 598519712, 635927194, 726773936, 1197039424, 1271854388, 1453547872, 2543708776, 2907095744, 5087417552, 10174835104, 20349670208]

約数ペア:

[(1, 20349670208), (2, 10174835104), (4, 5087417552), (7, 2907095744), (8, 2543708776), (14, 1453547872), (16, 1271854388), (17, 1197039424), (28, 726773936), (32, 635927194), (34, 598519712), (49, 415299392), (56, 363386968), (64, 317963597), (68, 299259856), (98, 207649696), (112, 181693484), (119, 171005632), (136, 149629928), (196, 103824848), (224, 90846742), (238, 85502816), (272, 74814964), (392, 51912424), (419, 48567232), (448, 45423371), (476, 42751408), (544, 37407482), (784, 25956212), (833, 24429376), (838, 24283616), (911, 22337728), (952, 21375704), (1088, 18703741), (1568, 12978106), (1666, 12214688), (1676, 12141808), (1822, 11168864), (1904, 10687852), (2933, 6938176), (3136, 6489053), (3332, 6107344), (3352, 6070904), (3644, 5584432), (3808, 5343926), (5866, 3469088), (6377, 3191104), (6664, 3053672), (6704, 3035452), (7123, 2856896), (7288, 2792216), (7616, 2671963), (11732, 1734544), (12754, 1595552), (13328, 1526836), (13408, 1517726), (14246, 1428448), (14576, 1396108), (15487, 1313984), (20531, 991168), (23464, 867272), (25508, 797776), (26656, 763418), (26816, 758863), (28492, 714224), (29152, 698054), (30974, 656992), (41062, 495584), (44639, 455872), (46928, 433636), (49861, 408128), (51016, 398888), (53312, 381709), (56984, 357112), (58304, 349027), (61948, 328496), (82124, 247792), (89278, 227936), (93856, 216818), (99722, 204064), (102032, 199444), (108409, 187712), (113968, 178556), (123896, 164248)]