20163685528

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1\times {\mathrm{31253}}^1$

素因数の和:31588

約数の個数: 64

約数和(自身を含む): 44420685120

約数和(自身を除く): 24256999592

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 281, 287, 328, 562, 574, 1124, 1148, 1967, 2248, 2296, 3934, 7868, 11521, 15736, 23042, 31253, 46084, 62506, 80647, 92168, 125012, 161294, 218771, 250024, 322588, 437542, 645176, 875084, 1281373, 1750168, 2562746, 5125492, 8782093, 8969611, 10250984, 17564186, 17939222, 35128372, 35878444, 61474651, 70256744, 71756888, 122949302, 245898604, 360065813, 491797208, 720131626, 1440263252, 2520460691, 2880526504, 5040921382, 10081842764, 20163685528]

約数ペア:

[(1, 20163685528), (2, 10081842764), (4, 5040921382), (7, 2880526504), (8, 2520460691), (14, 1440263252), (28, 720131626), (41, 491797208), (56, 360065813), (82, 245898604), (164, 122949302), (281, 71756888), (287, 70256744), (328, 61474651), (562, 35878444), (574, 35128372), (1124, 17939222), (1148, 17564186), (1967, 10250984), (2248, 8969611), (2296, 8782093), (3934, 5125492), (7868, 2562746), (11521, 1750168), (15736, 1281373), (23042, 875084), (31253, 645176), (46084, 437542), (62506, 322588), (80647, 250024), (92168, 218771), (125012, 161294)]