20784064

素因数分解:

$2^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2729}}^1$

素因数の和:2765

約数の個数: 56

約数和(自身を含む): 49926240

約数和(自身を除く): 29142176

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 136, 224, 238, 272, 448, 476, 544, 952, 1088, 1904, 2729, 3808, 5458, 7616, 10916, 19103, 21832, 38206, 43664, 46393, 76412, 87328, 92786, 152824, 174656, 185572, 305648, 324751, 371144, 611296, 649502, 742288, 1222592, 1299004, 1484576, 2598008, 2969152, 5196016, 10392032, 20784064]

約数ペア:

[(1, 20784064), (2, 10392032), (4, 5196016), (7, 2969152), (8, 2598008), (14, 1484576), (16, 1299004), (17, 1222592), (28, 742288), (32, 649502), (34, 611296), (56, 371144), (64, 324751), (68, 305648), (112, 185572), (119, 174656), (136, 152824), (224, 92786), (238, 87328), (272, 76412), (448, 46393), (476, 43664), (544, 38206), (952, 21832), (1088, 19103), (1904, 10916), (2729, 7616), (3808, 5458)]