20471008648

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{947381}}^1$

素因数の和:947497

約数の個数: 32

約数和(自身を含む): 39960572760

約数和(自身を除く): 19489564112

約数列:

[1, 2, 4, 8, 37, 73, 74, 146, 148, 292, 296, 584, 2701, 5402, 10804, 21608, 947381, 1894762, 3789524, 7579048, 35053097, 69158813, 70106194, 138317626, 140212388, 276635252, 280424776, 553270504, 2558876081, 5117752162, 10235504324, 20471008648]

約数ペア:

[(1, 20471008648), (2, 10235504324), (4, 5117752162), (8, 2558876081), (37, 553270504), (73, 280424776), (74, 276635252), (146, 140212388), (148, 138317626), (292, 70106194), (296, 69158813), (584, 35053097), (2701, 7579048), (5402, 3789524), (10804, 1894762), (21608, 947381)]