20918592

素因数分解:

$2^6\times 3^2\times {\mathrm{23}}^1\times {\mathrm{1579}}^1$

素因数の和:1620

約数の個数: 84

約数和(自身を含む): 62605920

約数和(自身を除く): 41687328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 64, 69, 72, 92, 96, 138, 144, 184, 192, 207, 276, 288, 368, 414, 552, 576, 736, 828, 1104, 1472, 1579, 1656, 2208, 3158, 3312, 4416, 4737, 6316, 6624, 9474, 12632, 13248, 14211, 18948, 25264, 28422, 36317, 37896, 50528, 56844, 72634, 75792, 101056, 108951, 113688, 145268, 151584, 217902, 227376, 290536, 303168, 326853, 435804, 454752, 581072, 653706, 871608, 909504, 1162144, 1307412, 1743216, 2324288, 2614824, 3486432, 5229648, 6972864, 10459296, 20918592]

約数ペア:

[(1, 20918592), (2, 10459296), (3, 6972864), (4, 5229648), (6, 3486432), (8, 2614824), (9, 2324288), (12, 1743216), (16, 1307412), (18, 1162144), (23, 909504), (24, 871608), (32, 653706), (36, 581072), (46, 454752), (48, 435804), (64, 326853), (69, 303168), (72, 290536), (92, 227376), (96, 217902), (138, 151584), (144, 145268), (184, 113688), (192, 108951), (207, 101056), (276, 75792), (288, 72634), (368, 56844), (414, 50528), (552, 37896), (576, 36317), (736, 28422), (828, 25264), (1104, 18948), (1472, 14211), (1579, 13248), (1656, 12632), (2208, 9474), (3158, 6624), (3312, 6316), (4416, 4737)]