20839748

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 40279680

約数和(自身を除く): 19439932

約数列:

[1, 2, 4, 23, 29, 46, 58, 73, 92, 107, 116, 146, 214, 292, 428, 667, 1334, 1679, 2117, 2461, 2668, 3103, 3358, 4234, 4922, 6206, 6716, 7811, 8468, 9844, 12412, 15622, 31244, 48691, 71369, 97382, 142738, 179653, 194764, 226519, 285476, 359306, 453038, 718612, 906076, 5209937, 10419874, 20839748]

約数ペア:

[(1, 20839748), (2, 10419874), (4, 5209937), (23, 906076), (29, 718612), (46, 453038), (58, 359306), (73, 285476), (92, 226519), (107, 194764), (116, 179653), (146, 142738), (214, 97382), (292, 71369), (428, 48691), (667, 31244), (1334, 15622), (1679, 12412), (2117, 9844), (2461, 8468), (2668, 7811), (3103, 6716), (3358, 6206), (4234, 4922)]