20408584

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19181}}^1$

素因数の和:19213

約数の個数: 32

約数和(自身を含む): 46036800

約数和(自身を除く): 25628216

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 19181, 38362, 76724, 134267, 153448, 268534, 364439, 537068, 728878, 1074136, 1457756, 2551073, 2915512, 5102146, 10204292, 20408584]

約数ペア:

[(1, 20408584), (2, 10204292), (4, 5102146), (7, 2915512), (8, 2551073), (14, 1457756), (19, 1074136), (28, 728878), (38, 537068), (56, 364439), (76, 268534), (133, 153448), (152, 134267), (266, 76724), (532, 38362), (1064, 19181)]