20615430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{349}}^1$

素因数の和:549

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 33816570

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 179, 330, 349, 358, 537, 698, 895, 1047, 1074, 1745, 1790, 1969, 2094, 2685, 3490, 3839, 3938, 5235, 5370, 5907, 7678, 9845, 10470, 11517, 11814, 19195, 19690, 23034, 29535, 38390, 57585, 59070, 62471, 115170, 124942, 187413, 312355, 374826, 624710, 687181, 937065, 1374362, 1874130, 2061543, 3435905, 4123086, 6871810, 10307715, 20615430]

約数ペア:

[(1, 20615430), (2, 10307715), (3, 6871810), (5, 4123086), (6, 3435905), (10, 2061543), (11, 1874130), (15, 1374362), (22, 937065), (30, 687181), (33, 624710), (55, 374826), (66, 312355), (110, 187413), (165, 124942), (179, 115170), (330, 62471), (349, 59070), (358, 57585), (537, 38390), (698, 29535), (895, 23034), (1047, 19690), (1074, 19195), (1745, 11814), (1790, 11517), (1969, 10470), (2094, 9845), (2685, 7678), (3490, 5907), (3839, 5370), (3938, 5235)]