12020820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{28621}}^1$

素因数の和:28640

約数の個数: 48

約数和(自身を含む): 38467968

約数和(自身を除く): 26447148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 28621, 57242, 85863, 114484, 143105, 171726, 200347, 286210, 343452, 400694, 429315, 572420, 601041, 801388, 858630, 1001735, 1202082, 1717260, 2003470, 2404164, 3005205, 4006940, 6010410, 12020820]

約数ペア:

[(1, 12020820), (2, 6010410), (3, 4006940), (4, 3005205), (5, 2404164), (6, 2003470), (7, 1717260), (10, 1202082), (12, 1001735), (14, 858630), (15, 801388), (20, 601041), (21, 572420), (28, 429315), (30, 400694), (35, 343452), (42, 286210), (60, 200347), (70, 171726), (84, 143105), (105, 114484), (140, 85863), (210, 57242), (420, 28621)]