20171962720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1385437}}^1$

素因数の和:1385472

約数の個数: 96

約数和(自身を含む): 58653903168

約数和(自身を除く): 38481940448

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 364, 416, 455, 520, 560, 728, 910, 1040, 1120, 1456, 1820, 2080, 2912, 3640, 7280, 14560, 1385437, 2770874, 5541748, 6927185, 9698059, 11083496, 13854370, 18010681, 19396118, 22166992, 27708740, 36021362, 38792236, 44333984, 48490295, 55417480, 72042724, 77584472, 90053405, 96980590, 110834960, 126074767, 144085448, 155168944, 180106810, 193961180, 221669920, 252149534, 288170896, 310337888, 360213620, 387922360, 504299068, 576341792, 630373835, 720427240, 775844720, 1008598136, 1260747670, 1440854480, 1551689440, 2017196272, 2521495340, 2881708960, 4034392544, 5042990680, 10085981360, 20171962720]

約数ペア:

[(1, 20171962720), (2, 10085981360), (4, 5042990680), (5, 4034392544), (7, 2881708960), (8, 2521495340), (10, 2017196272), (13, 1551689440), (14, 1440854480), (16, 1260747670), (20, 1008598136), (26, 775844720), (28, 720427240), (32, 630373835), (35, 576341792), (40, 504299068), (52, 387922360), (56, 360213620), (65, 310337888), (70, 288170896), (80, 252149534), (91, 221669920), (104, 193961180), (112, 180106810), (130, 155168944), (140, 144085448), (160, 126074767), (182, 110834960), (208, 96980590), (224, 90053405), (260, 77584472), (280, 72042724), (364, 55417480), (416, 48490295), (455, 44333984), (520, 38792236), (560, 36021362), (728, 27708740), (910, 22166992), (1040, 19396118), (1120, 18010681), (1456, 13854370), (1820, 11083496), (2080, 9698059), (2912, 6927185), (3640, 5541748), (7280, 2770874), (14560, 1385437)]