20464584

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{673}}^1$

素因数の和:870

約数の個数: 64

約数和(自身を含む): 58880640

約数和(自身を除く): 38416056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 181, 362, 543, 673, 724, 1086, 1267, 1346, 1448, 2019, 2172, 2534, 2692, 3801, 4038, 4344, 4711, 5068, 5384, 7602, 8076, 9422, 10136, 14133, 15204, 16152, 18844, 28266, 30408, 37688, 56532, 113064, 121813, 243626, 365439, 487252, 730878, 852691, 974504, 1461756, 1705382, 2558073, 2923512, 3410764, 5116146, 6821528, 10232292, 20464584]

約数ペア:

[(1, 20464584), (2, 10232292), (3, 6821528), (4, 5116146), (6, 3410764), (7, 2923512), (8, 2558073), (12, 1705382), (14, 1461756), (21, 974504), (24, 852691), (28, 730878), (42, 487252), (56, 365439), (84, 243626), (168, 121813), (181, 113064), (362, 56532), (543, 37688), (673, 30408), (724, 28266), (1086, 18844), (1267, 16152), (1346, 15204), (1448, 14133), (2019, 10136), (2172, 9422), (2534, 8076), (2692, 7602), (3801, 5384), (4038, 5068), (4344, 4711)]