20112596

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 41674752

約数和(自身を除く): 21562156

約数列:

[1, 2, 4, 7, 14, 28, 67, 71, 134, 142, 151, 268, 284, 302, 469, 497, 604, 938, 994, 1057, 1876, 1988, 2114, 4228, 4757, 9514, 10117, 10721, 19028, 20234, 21442, 33299, 40468, 42884, 66598, 70819, 75047, 133196, 141638, 150094, 283276, 300188, 718307, 1436614, 2873228, 5028149, 10056298, 20112596]

約数ペア:

[(1, 20112596), (2, 10056298), (4, 5028149), (7, 2873228), (14, 1436614), (28, 718307), (67, 300188), (71, 283276), (134, 150094), (142, 141638), (151, 133196), (268, 75047), (284, 70819), (302, 66598), (469, 42884), (497, 40468), (604, 33299), (938, 21442), (994, 20234), (1057, 19028), (1876, 10721), (1988, 10117), (2114, 9514), (4228, 4757)]