20655456960

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1265653}}^1$

素因数の和:1265690

約数の個数: 112

約数和(自身を含む): 69438841056

約数和(自身を除く): 48783384096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 408, 480, 510, 544, 680, 816, 960, 1020, 1088, 1360, 1632, 2040, 2720, 3264, 4080, 5440, 8160, 16320, 1265653, 2531306, 3796959, 5062612, 6328265, 7593918, 10125224, 12656530, 15187836, 18984795, 20250448, 21516101, 25313060, 30375672, 37969590, 40500896, 43032202, 50626120, 60751344, 64548303, 75939180, 81001792, 86064404, 101252240, 107580505, 121502688, 129096606, 151878360, 172128808, 202504480, 215161010, 243005376, 258193212, 303756720, 322741515, 344257616, 405008960, 430322020, 516386424, 607513440, 645483030, 688515232, 860644040, 1032772848, 1215026880, 1290966060, 1377030464, 1721288080, 2065545696, 2581932120, 3442576160, 4131091392, 5163864240, 6885152320, 10327728480, 20655456960]

約数ペア:

[(1, 20655456960), (2, 10327728480), (3, 6885152320), (4, 5163864240), (5, 4131091392), (6, 3442576160), (8, 2581932120), (10, 2065545696), (12, 1721288080), (15, 1377030464), (16, 1290966060), (17, 1215026880), (20, 1032772848), (24, 860644040), (30, 688515232), (32, 645483030), (34, 607513440), (40, 516386424), (48, 430322020), (51, 405008960), (60, 344257616), (64, 322741515), (68, 303756720), (80, 258193212), (85, 243005376), (96, 215161010), (102, 202504480), (120, 172128808), (136, 151878360), (160, 129096606), (170, 121502688), (192, 107580505), (204, 101252240), (240, 86064404), (255, 81001792), (272, 75939180), (320, 64548303), (340, 60751344), (408, 50626120), (480, 43032202), (510, 40500896), (544, 37969590), (680, 30375672), (816, 25313060), (960, 21516101), (1020, 20250448), (1088, 18984795), (1360, 15187836), (1632, 12656530), (2040, 10125224), (2720, 7593918), (3264, 6328265), (4080, 5062612), (5440, 3796959), (8160, 2531306), (16320, 1265653)]