20973344

素因数分解:

$2^5\times 7^1\times {\mathrm{109}}^1\times {\mathrm{859}}^1$

素因数の和:985

約数の個数: 48

約数和(自身を含む): 47678400

約数和(自身を除く): 26705056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 109, 112, 218, 224, 436, 763, 859, 872, 1526, 1718, 1744, 3052, 3436, 3488, 6013, 6104, 6872, 12026, 12208, 13744, 24052, 24416, 27488, 48104, 93631, 96208, 187262, 192416, 374524, 655417, 749048, 1310834, 1498096, 2621668, 2996192, 5243336, 10486672, 20973344]

約数ペア:

[(1, 20973344), (2, 10486672), (4, 5243336), (7, 2996192), (8, 2621668), (14, 1498096), (16, 1310834), (28, 749048), (32, 655417), (56, 374524), (109, 192416), (112, 187262), (218, 96208), (224, 93631), (436, 48104), (763, 27488), (859, 24416), (872, 24052), (1526, 13744), (1718, 12208), (1744, 12026), (3052, 6872), (3436, 6104), (3488, 6013)]