20351640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{937}}^1$

素因数の和:1132

約数の個数: 64

約数和(自身を含む): 61457760

約数和(自身を除く): 41106120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 181, 362, 543, 724, 905, 937, 1086, 1448, 1810, 1874, 2172, 2715, 2811, 3620, 3748, 4344, 4685, 5430, 5622, 7240, 7496, 9370, 10860, 11244, 14055, 18740, 21720, 22488, 28110, 37480, 56220, 112440, 169597, 339194, 508791, 678388, 847985, 1017582, 1356776, 1695970, 2035164, 2543955, 3391940, 4070328, 5087910, 6783880, 10175820, 20351640]

約数ペア:

[(1, 20351640), (2, 10175820), (3, 6783880), (4, 5087910), (5, 4070328), (6, 3391940), (8, 2543955), (10, 2035164), (12, 1695970), (15, 1356776), (20, 1017582), (24, 847985), (30, 678388), (40, 508791), (60, 339194), (120, 169597), (181, 112440), (362, 56220), (543, 37480), (724, 28110), (905, 22488), (937, 21720), (1086, 18740), (1448, 14055), (1810, 11244), (1874, 10860), (2172, 9370), (2715, 7496), (2811, 7240), (3620, 5622), (3748, 5430), (4344, 4685)]