20946016

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7193}}^1$

素因数の和:7223

約数の個数: 48

約数和(自身を含む): 50760864

約数和(自身を除く): 29814848

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 7193, 14386, 28772, 50351, 57544, 93509, 100702, 115088, 187018, 201404, 230176, 374036, 402808, 654563, 748072, 805616, 1309126, 1496144, 1611232, 2618252, 2992288, 5236504, 10473008, 20946016]

約数ペア:

[(1, 20946016), (2, 10473008), (4, 5236504), (7, 2992288), (8, 2618252), (13, 1611232), (14, 1496144), (16, 1309126), (26, 805616), (28, 748072), (32, 654563), (52, 402808), (56, 374036), (91, 230176), (104, 201404), (112, 187018), (182, 115088), (208, 100702), (224, 93509), (364, 57544), (416, 50351), (728, 28772), (1456, 14386), (2912, 7193)]