20749571072

素因数分解:

$2^{10}\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:672

約数の個数: 176

約数和(自身を含む): 46160668800

約数和(自身を除く): 25411097728

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 64, 76, 89, 92, 128, 152, 178, 184, 256, 304, 356, 368, 437, 512, 521, 608, 712, 736, 874, 1024, 1042, 1216, 1424, 1472, 1691, 1748, 2047, 2084, 2432, 2848, 2944, 3382, 3496, 4094, 4168, 4864, 5696, 5888, 6764, 6992, 8188, 8336, 9728, 9899, 11392, 11776, 11983, 13528, 13984, 16376, 16672, 19456, 19798, 22784, 23552, 23966, 27056, 27968, 32752, 33344, 38893, 39596, 45568, 46369, 47932, 54112, 55936, 65504, 66688, 77786, 79192, 91136, 92738, 95864, 108224, 111872, 131008, 133376, 155572, 158384, 185476, 191728, 216448, 223744, 227677, 262016, 266752, 311144, 316768, 370952, 383456, 432896, 447488, 455354, 524032, 533504, 622288, 633536, 741904, 766912, 865792, 881011, 910708, 1048064, 1066487, 1244576, 1267072, 1483808, 1533824, 1731584, 1762022, 1821416, 2096128, 2132974, 2489152, 2534144, 2967616, 3067648, 3524044, 3642832, 4265948, 4978304, 5068288, 5935232, 6135296, 7048088, 7285664, 8531896, 9956608, 10136576, 11870464, 12270592, 14096176, 14571328, 17063792, 19913216, 20263253, 23740928, 28192352, 29142656, 34127584, 39826432, 40526506, 47481856, 56384704, 58285312, 68255168, 81053012, 112769408, 116570624, 136510336, 162106024, 225538816, 233141248, 273020672, 324212048, 451077632, 546041344, 648424096, 902155264, 1092082688, 1296848192, 2593696384, 5187392768, 10374785536, 20749571072]

約数ペア:

[(1, 20749571072), (2, 10374785536), (4, 5187392768), (8, 2593696384), (16, 1296848192), (19, 1092082688), (23, 902155264), (32, 648424096), (38, 546041344), (46, 451077632), (64, 324212048), (76, 273020672), (89, 233141248), (92, 225538816), (128, 162106024), (152, 136510336), (178, 116570624), (184, 112769408), (256, 81053012), (304, 68255168), (356, 58285312), (368, 56384704), (437, 47481856), (512, 40526506), (521, 39826432), (608, 34127584), (712, 29142656), (736, 28192352), (874, 23740928), (1024, 20263253), (1042, 19913216), (1216, 17063792), (1424, 14571328), (1472, 14096176), (1691, 12270592), (1748, 11870464), (2047, 10136576), (2084, 9956608), (2432, 8531896), (2848, 7285664), (2944, 7048088), (3382, 6135296), (3496, 5935232), (4094, 5068288), (4168, 4978304), (4864, 4265948), (5696, 3642832), (5888, 3524044), (6764, 3067648), (6992, 2967616), (8188, 2534144), (8336, 2489152), (9728, 2132974), (9899, 2096128), (11392, 1821416), (11776, 1762022), (11983, 1731584), (13528, 1533824), (13984, 1483808), (16376, 1267072), (16672, 1244576), (19456, 1066487), (19798, 1048064), (22784, 910708), (23552, 881011), (23966, 865792), (27056, 766912), (27968, 741904), (32752, 633536), (33344, 622288), (38893, 533504), (39596, 524032), (45568, 455354), (46369, 447488), (47932, 432896), (54112, 383456), (55936, 370952), (65504, 316768), (66688, 311144), (77786, 266752), (79192, 262016), (91136, 227677), (92738, 223744), (95864, 216448), (108224, 191728), (111872, 185476), (131008, 158384), (133376, 155572)]