20160643720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{273773}}^1$

素因数の和:274054

約数の個数: 64

約数和(自身を含む): 52038961920

約数和(自身を除く): 31878318200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 263, 280, 526, 1052, 1315, 1841, 2104, 2630, 3682, 5260, 7364, 9205, 10520, 14728, 18410, 36820, 73640, 273773, 547546, 1095092, 1368865, 1916411, 2190184, 2737730, 3832822, 5475460, 7665644, 9582055, 10950920, 15331288, 19164110, 38328220, 72002299, 76656440, 144004598, 288009196, 360011495, 504016093, 576018392, 720022990, 1008032186, 1440045980, 2016064372, 2520080465, 2880091960, 4032128744, 5040160930, 10080321860, 20160643720]

約数ペア:

[(1, 20160643720), (2, 10080321860), (4, 5040160930), (5, 4032128744), (7, 2880091960), (8, 2520080465), (10, 2016064372), (14, 1440045980), (20, 1008032186), (28, 720022990), (35, 576018392), (40, 504016093), (56, 360011495), (70, 288009196), (140, 144004598), (263, 76656440), (280, 72002299), (526, 38328220), (1052, 19164110), (1315, 15331288), (1841, 10950920), (2104, 9582055), (2630, 7665644), (3682, 5475460), (5260, 3832822), (7364, 2737730), (9205, 2190184), (10520, 1916411), (14728, 1368865), (18410, 1095092), (36820, 547546), (73640, 273773)]