20057744

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:208

約数の個数: 80

約数和(自身を含む): 47139840

約数和(自身を除く): 27082096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 53, 56, 62, 106, 109, 112, 124, 212, 217, 218, 248, 371, 424, 434, 436, 496, 742, 763, 848, 868, 872, 1484, 1526, 1643, 1736, 1744, 2968, 3052, 3286, 3379, 3472, 5777, 5936, 6104, 6572, 6758, 11501, 11554, 12208, 13144, 13516, 23002, 23108, 23653, 26288, 27032, 40439, 46004, 46216, 47306, 54064, 80878, 92008, 92432, 94612, 161756, 179087, 184016, 189224, 323512, 358174, 378448, 647024, 716348, 1253609, 1432696, 2507218, 2865392, 5014436, 10028872, 20057744]

約数ペア:

[(1, 20057744), (2, 10028872), (4, 5014436), (7, 2865392), (8, 2507218), (14, 1432696), (16, 1253609), (28, 716348), (31, 647024), (53, 378448), (56, 358174), (62, 323512), (106, 189224), (109, 184016), (112, 179087), (124, 161756), (212, 94612), (217, 92432), (218, 92008), (248, 80878), (371, 54064), (424, 47306), (434, 46216), (436, 46004), (496, 40439), (742, 27032), (763, 26288), (848, 23653), (868, 23108), (872, 23002), (1484, 13516), (1526, 13144), (1643, 12208), (1736, 11554), (1744, 11501), (2968, 6758), (3052, 6572), (3286, 6104), (3379, 5936), (3472, 5777)]