20522198

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 33406560

約数和(自身を除く): 12884362

約数列:

[1, 2, 29, 37, 58, 73, 74, 131, 146, 262, 1073, 2117, 2146, 2701, 3799, 4234, 4847, 5402, 7598, 9563, 9694, 19126, 78329, 140563, 156658, 277327, 281126, 353831, 554654, 707662, 10261099, 20522198]

約数ペア:

[(1, 20522198), (2, 10261099), (29, 707662), (37, 554654), (58, 353831), (73, 281126), (74, 277327), (131, 156658), (146, 140563), (262, 78329), (1073, 19126), (2117, 9694), (2146, 9563), (2701, 7598), (3799, 5402), (4234, 4847)]