20296656

素因数分解:

$2^4\times 3^4\times {\mathrm{15661}}^1$

素因数の和:15681

約数の個数: 50

約数和(自身を含む): 58748162

約数和(自身を除く): 38451506

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 324, 432, 648, 1296, 15661, 31322, 46983, 62644, 93966, 125288, 140949, 187932, 250576, 281898, 375864, 422847, 563796, 751728, 845694, 1127592, 1268541, 1691388, 2255184, 2537082, 3382776, 5074164, 6765552, 10148328, 20296656]

約数ペア:

[(1, 20296656), (2, 10148328), (3, 6765552), (4, 5074164), (6, 3382776), (8, 2537082), (9, 2255184), (12, 1691388), (16, 1268541), (18, 1127592), (24, 845694), (27, 751728), (36, 563796), (48, 422847), (54, 375864), (72, 281898), (81, 250576), (108, 187932), (144, 140949), (162, 125288), (216, 93966), (324, 62644), (432, 46983), (648, 31322), (1296, 15661)]