20542392

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1291}}^1$

素因数の和:1333

約数の個数: 96

約数和(自身を含む): 63488880

約数和(自身を除く): 42946488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 17, 18, 24, 26, 34, 36, 39, 51, 52, 68, 72, 78, 102, 104, 117, 136, 153, 156, 204, 221, 234, 306, 312, 408, 442, 468, 612, 663, 884, 936, 1224, 1291, 1326, 1768, 1989, 2582, 2652, 3873, 3978, 5164, 5304, 7746, 7956, 10328, 11619, 15492, 15912, 16783, 21947, 23238, 30984, 33566, 43894, 46476, 50349, 65841, 67132, 87788, 92952, 100698, 131682, 134264, 151047, 175576, 197523, 201396, 263364, 285311, 302094, 395046, 402792, 526728, 570622, 604188, 790092, 855933, 1141244, 1208376, 1580184, 1711866, 2282488, 2567799, 3423732, 5135598, 6847464, 10271196, 20542392]

約数ペア:

[(1, 20542392), (2, 10271196), (3, 6847464), (4, 5135598), (6, 3423732), (8, 2567799), (9, 2282488), (12, 1711866), (13, 1580184), (17, 1208376), (18, 1141244), (24, 855933), (26, 790092), (34, 604188), (36, 570622), (39, 526728), (51, 402792), (52, 395046), (68, 302094), (72, 285311), (78, 263364), (102, 201396), (104, 197523), (117, 175576), (136, 151047), (153, 134264), (156, 131682), (204, 100698), (221, 92952), (234, 87788), (306, 67132), (312, 65841), (408, 50349), (442, 46476), (468, 43894), (612, 33566), (663, 30984), (884, 23238), (936, 21947), (1224, 16783), (1291, 15912), (1326, 15492), (1768, 11619), (1989, 10328), (2582, 7956), (2652, 7746), (3873, 5304), (3978, 5164)]