20839920807681

素因数分解:

$3^3\times {\mathrm{101}}^1\times {\mathrm{643}}^1\times {\mathrm{1831}}^1\times {\mathrm{6491}}^1$

素因数の和:9075

約数の個数: 64

約数和(自身を含む): 31249999226880

約数和(自身を除く): 10410078419199

約数列:

[1, 3, 9, 27, 101, 303, 643, 909, 1831, 1929, 2727, 5493, 5787, 6491, 16479, 17361, 19473, 49437, 58419, 64943, 175257, 184931, 194829, 554793, 584487, 655591, 1177333, 1664379, 1753461, 1966773, 3531999, 4173713, 4993137, 5900319, 10595997, 11885021, 12521139, 17700957, 31787991, 35655063, 37563417, 106965189, 112690251, 118910633, 320895567, 356731899, 421545013, 1070195697, 1200387121, 1264635039, 3210587091, 3601161363, 3793905117, 7642068503, 10803484089, 11381715351, 22926205509, 32410452267, 68778616527, 206335849581, 771848918803, 2315546756409, 6946640269227, 20839920807681]

約数ペア:

[(1, 20839920807681), (3, 6946640269227), (9, 2315546756409), (27, 771848918803), (101, 206335849581), (303, 68778616527), (643, 32410452267), (909, 22926205509), (1831, 11381715351), (1929, 10803484089), (2727, 7642068503), (5493, 3793905117), (5787, 3601161363), (6491, 3210587091), (16479, 1264635039), (17361, 1200387121), (19473, 1070195697), (49437, 421545013), (58419, 356731899), (64943, 320895567), (175257, 118910633), (184931, 112690251), (194829, 106965189), (554793, 37563417), (584487, 35655063), (655591, 31787991), (1177333, 17700957), (1664379, 12521139), (1753461, 11885021), (1966773, 10595997), (3531999, 5900319), (4173713, 4993137)]