20682368

素因数分解:

$2^7\times 7^1\times {\mathrm{41}}^1\times {\mathrm{563}}^1$

素因数の和:625

約数の個数: 64

約数和(自身を含む): 48323520

約数和(自身を除く): 27641152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 64, 82, 112, 128, 164, 224, 287, 328, 448, 563, 574, 656, 896, 1126, 1148, 1312, 2252, 2296, 2624, 3941, 4504, 4592, 5248, 7882, 9008, 9184, 15764, 18016, 18368, 23083, 31528, 36032, 36736, 46166, 63056, 72064, 92332, 126112, 161581, 184664, 252224, 323162, 369328, 504448, 646324, 738656, 1292648, 1477312, 2585296, 2954624, 5170592, 10341184, 20682368]

約数ペア:

[(1, 20682368), (2, 10341184), (4, 5170592), (7, 2954624), (8, 2585296), (14, 1477312), (16, 1292648), (28, 738656), (32, 646324), (41, 504448), (56, 369328), (64, 323162), (82, 252224), (112, 184664), (128, 161581), (164, 126112), (224, 92332), (287, 72064), (328, 63056), (448, 46166), (563, 36736), (574, 36032), (656, 31528), (896, 23083), (1126, 18368), (1148, 18016), (1312, 15764), (2252, 9184), (2296, 9008), (2624, 7882), (3941, 5248), (4504, 4592)]