20957075776

素因数分解:

$2^6\times 7^2\times {\mathrm{13}}^1\times {\mathrm{514057}}^1$

素因数の和:514096

約数の個数: 84

約数和(自身を含む): 52097722068

約数和(自身を除く): 31140646292

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 448, 637, 728, 784, 832, 1274, 1456, 1568, 2548, 2912, 3136, 5096, 5824, 10192, 20384, 40768, 514057, 1028114, 2056228, 3598399, 4112456, 6682741, 7196798, 8224912, 13365482, 14393596, 16449824, 25188793, 26730964, 28787192, 32899648, 46779187, 50377586, 53461928, 57574384, 93558374, 100755172, 106923856, 115148768, 187116748, 201510344, 213847712, 230297536, 327454309, 374233496, 403020688, 427695424, 654908618, 748466992, 806041376, 1309817236, 1496933984, 1612082752, 2619634472, 2993867968, 5239268944, 10478537888, 20957075776]

約数ペア:

[(1, 20957075776), (2, 10478537888), (4, 5239268944), (7, 2993867968), (8, 2619634472), (13, 1612082752), (14, 1496933984), (16, 1309817236), (26, 806041376), (28, 748466992), (32, 654908618), (49, 427695424), (52, 403020688), (56, 374233496), (64, 327454309), (91, 230297536), (98, 213847712), (104, 201510344), (112, 187116748), (182, 115148768), (196, 106923856), (208, 100755172), (224, 93558374), (364, 57574384), (392, 53461928), (416, 50377586), (448, 46779187), (637, 32899648), (728, 28787192), (784, 26730964), (832, 25188793), (1274, 16449824), (1456, 14393596), (1568, 13365482), (2548, 8224912), (2912, 7196798), (3136, 6682741), (5096, 4112456), (5824, 3598399), (10192, 2056228), (20384, 1028114), (40768, 514057)]