20972616

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4027}}^1$

素因数の和:4074

約数の個数: 64

約数和(自身を含む): 61870080

約数和(自身を除く): 40897464

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 124, 168, 186, 217, 248, 372, 434, 651, 744, 868, 1302, 1736, 2604, 4027, 5208, 8054, 12081, 16108, 24162, 28189, 32216, 48324, 56378, 84567, 96648, 112756, 124837, 169134, 225512, 249674, 338268, 374511, 499348, 676536, 749022, 873859, 998696, 1498044, 1747718, 2621577, 2996088, 3495436, 5243154, 6990872, 10486308, 20972616]

約数ペア:

[(1, 20972616), (2, 10486308), (3, 6990872), (4, 5243154), (6, 3495436), (7, 2996088), (8, 2621577), (12, 1747718), (14, 1498044), (21, 998696), (24, 873859), (28, 749022), (31, 676536), (42, 499348), (56, 374511), (62, 338268), (84, 249674), (93, 225512), (124, 169134), (168, 124837), (186, 112756), (217, 96648), (248, 84567), (372, 56378), (434, 48324), (651, 32216), (744, 28189), (868, 24162), (1302, 16108), (1736, 12081), (2604, 8054), (4027, 5208)]