20592040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{293}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 53343360

約数和(自身を除く): 32751320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 251, 280, 293, 502, 586, 1004, 1172, 1255, 1465, 1757, 2008, 2051, 2344, 2510, 2930, 3514, 4102, 5020, 5860, 7028, 8204, 8785, 10040, 10255, 11720, 14056, 16408, 17570, 20510, 35140, 41020, 70280, 73543, 82040, 147086, 294172, 367715, 514801, 588344, 735430, 1029602, 1470860, 2059204, 2574005, 2941720, 4118408, 5148010, 10296020, 20592040]

約数ペア:

[(1, 20592040), (2, 10296020), (4, 5148010), (5, 4118408), (7, 2941720), (8, 2574005), (10, 2059204), (14, 1470860), (20, 1029602), (28, 735430), (35, 588344), (40, 514801), (56, 367715), (70, 294172), (140, 147086), (251, 82040), (280, 73543), (293, 70280), (502, 41020), (586, 35140), (1004, 20510), (1172, 17570), (1255, 16408), (1465, 14056), (1757, 11720), (2008, 10255), (2051, 10040), (2344, 8785), (2510, 8204), (2930, 7028), (3514, 5860), (4102, 5020)]