20030080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1$

素因数の和:306

約数の個数: 128

約数和(自身を含む): 58164480

約数和(自身を除く): 38134400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 263, 272, 280, 320, 340, 448, 476, 526, 544, 560, 595, 640, 680, 896, 952, 1052, 1088, 1120, 1190, 1315, 1360, 1841, 1904, 2104, 2176, 2240, 2380, 2630, 2720, 3682, 3808, 4208, 4471, 4480, 4760, 5260, 5440, 7364, 7616, 8416, 8942, 9205, 9520, 10520, 10880, 14728, 15232, 16832, 17884, 18410, 19040, 21040, 22355, 29456, 31297, 33664, 35768, 36820, 38080, 42080, 44710, 58912, 62594, 71536, 73640, 76160, 84160, 89420, 117824, 125188, 143072, 147280, 156485, 168320, 178840, 235648, 250376, 286144, 294560, 312970, 357680, 500752, 572288, 589120, 625940, 715360, 1001504, 1178240, 1251880, 1430720, 2003008, 2503760, 2861440, 4006016, 5007520, 10015040, 20030080]

約数ペア:

[(1, 20030080), (2, 10015040), (4, 5007520), (5, 4006016), (7, 2861440), (8, 2503760), (10, 2003008), (14, 1430720), (16, 1251880), (17, 1178240), (20, 1001504), (28, 715360), (32, 625940), (34, 589120), (35, 572288), (40, 500752), (56, 357680), (64, 312970), (68, 294560), (70, 286144), (80, 250376), (85, 235648), (112, 178840), (119, 168320), (128, 156485), (136, 147280), (140, 143072), (160, 125188), (170, 117824), (224, 89420), (238, 84160), (263, 76160), (272, 73640), (280, 71536), (320, 62594), (340, 58912), (448, 44710), (476, 42080), (526, 38080), (544, 36820), (560, 35768), (595, 33664), (640, 31297), (680, 29456), (896, 22355), (952, 21040), (1052, 19040), (1088, 18410), (1120, 17884), (1190, 16832), (1315, 15232), (1360, 14728), (1841, 10880), (1904, 10520), (2104, 9520), (2176, 9205), (2240, 8942), (2380, 8416), (2630, 7616), (2720, 7364), (3682, 5440), (3808, 5260), (4208, 4760), (4471, 4480)]