20688471648

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^2\times {\mathrm{425059}}^1$

素因数の和:425101

約数の個数: 108

約数和(自身を含む): 63706717620

約数和(自身を除く): 43018245972

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 169, 208, 234, 288, 312, 338, 416, 468, 507, 624, 676, 936, 1014, 1248, 1352, 1521, 1872, 2028, 2704, 3042, 3744, 4056, 5408, 6084, 8112, 12168, 16224, 24336, 48672, 425059, 850118, 1275177, 1700236, 2550354, 3400472, 3825531, 5100708, 5525767, 6800944, 7651062, 10201416, 11051534, 13601888, 15302124, 16577301, 20402832, 22103068, 30604248, 33154602, 40805664, 44206136, 49731903, 61208496, 66309204, 71834971, 88412272, 99463806, 122416992, 132618408, 143669942, 176824544, 198927612, 215504913, 265236816, 287339884, 397855224, 431009826, 530473632, 574679768, 646514739, 795710448, 862019652, 1149359536, 1293029478, 1591420896, 1724039304, 2298719072, 2586058956, 3448078608, 5172117912, 6896157216, 10344235824, 20688471648]

約数ペア:

[(1, 20688471648), (2, 10344235824), (3, 6896157216), (4, 5172117912), (6, 3448078608), (8, 2586058956), (9, 2298719072), (12, 1724039304), (13, 1591420896), (16, 1293029478), (18, 1149359536), (24, 862019652), (26, 795710448), (32, 646514739), (36, 574679768), (39, 530473632), (48, 431009826), (52, 397855224), (72, 287339884), (78, 265236816), (96, 215504913), (104, 198927612), (117, 176824544), (144, 143669942), (156, 132618408), (169, 122416992), (208, 99463806), (234, 88412272), (288, 71834971), (312, 66309204), (338, 61208496), (416, 49731903), (468, 44206136), (507, 40805664), (624, 33154602), (676, 30604248), (936, 22103068), (1014, 20402832), (1248, 16577301), (1352, 15302124), (1521, 13601888), (1872, 11051534), (2028, 10201416), (2704, 7651062), (3042, 6800944), (3744, 5525767), (4056, 5100708), (5408, 3825531), (6084, 3400472), (8112, 2550354), (12168, 1700236), (16224, 1275177), (24336, 850118), (48672, 425059)]