20120681672

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{20641}}^1$

素因数の和:20783

約数の個数: 96

約数和(自身を含む): 47143025280

約数和(自身を除く): 27022343608

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 103, 104, 169, 182, 206, 338, 364, 412, 676, 721, 728, 824, 1183, 1339, 1352, 1442, 2366, 2678, 2884, 4732, 5356, 5768, 9373, 9464, 10712, 17407, 18746, 20641, 34814, 37492, 41282, 69628, 74984, 82564, 121849, 139256, 144487, 165128, 243698, 268333, 288974, 487396, 536666, 577948, 974792, 1073332, 1155896, 1878331, 2126023, 2146664, 3488329, 3756662, 4252046, 6976658, 7513324, 8504092, 13953316, 14882161, 15026648, 17008184, 24418303, 27638299, 27906632, 29764322, 48836606, 55276598, 59528644, 97673212, 110553196, 119057288, 193468093, 195346424, 221106392, 359297887, 386936186, 718595774, 773872372, 1437191548, 1547744744, 2515085209, 2874383096, 5030170418, 10060340836, 20120681672]

約数ペア:

[(1, 20120681672), (2, 10060340836), (4, 5030170418), (7, 2874383096), (8, 2515085209), (13, 1547744744), (14, 1437191548), (26, 773872372), (28, 718595774), (52, 386936186), (56, 359297887), (91, 221106392), (103, 195346424), (104, 193468093), (169, 119057288), (182, 110553196), (206, 97673212), (338, 59528644), (364, 55276598), (412, 48836606), (676, 29764322), (721, 27906632), (728, 27638299), (824, 24418303), (1183, 17008184), (1339, 15026648), (1352, 14882161), (1442, 13953316), (2366, 8504092), (2678, 7513324), (2884, 6976658), (4732, 4252046), (5356, 3756662), (5768, 3488329), (9373, 2146664), (9464, 2126023), (10712, 1878331), (17407, 1155896), (18746, 1073332), (20641, 974792), (34814, 577948), (37492, 536666), (41282, 487396), (69628, 288974), (74984, 268333), (82564, 243698), (121849, 165128), (139256, 144487)]