20173391472

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1709}}^1\times {\mathrm{18917}}^1$

素因数の和:20650

約数の個数: 80

約数和(自身を含む): 56159218080

約数和(自身を除く): 35985826608

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 1709, 3418, 5127, 6836, 10254, 13672, 18917, 20508, 22217, 27344, 37834, 41016, 44434, 56751, 66651, 75668, 82032, 88868, 113502, 133302, 151336, 177736, 227004, 245921, 266604, 302672, 355472, 454008, 491842, 533208, 737763, 908016, 983684, 1066416, 1475526, 1967368, 2951052, 3934736, 5902104, 11804208, 32329153, 64658306, 96987459, 129316612, 193974918, 258633224, 387949836, 420278989, 517266448, 775899672, 840557978, 1260836967, 1551799344, 1681115956, 2521673934, 3362231912, 5043347868, 6724463824, 10086695736, 20173391472]

約数ペア:

[(1, 20173391472), (2, 10086695736), (3, 6724463824), (4, 5043347868), (6, 3362231912), (8, 2521673934), (12, 1681115956), (13, 1551799344), (16, 1260836967), (24, 840557978), (26, 775899672), (39, 517266448), (48, 420278989), (52, 387949836), (78, 258633224), (104, 193974918), (156, 129316612), (208, 96987459), (312, 64658306), (624, 32329153), (1709, 11804208), (3418, 5902104), (5127, 3934736), (6836, 2951052), (10254, 1967368), (13672, 1475526), (18917, 1066416), (20508, 983684), (22217, 908016), (27344, 737763), (37834, 533208), (41016, 491842), (44434, 454008), (56751, 355472), (66651, 302672), (75668, 266604), (82032, 245921), (88868, 227004), (113502, 177736), (133302, 151336)]