20790780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{827}}^1$

素因数の和:1258

約数の個数: 48

約数和(自身を含む): 58423680

約数和(自身を除く): 37632900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 419, 827, 838, 1257, 1654, 1676, 2095, 2481, 2514, 3308, 4135, 4190, 4962, 5028, 6285, 8270, 8380, 9924, 12405, 12570, 16540, 24810, 25140, 49620, 346513, 693026, 1039539, 1386052, 1732565, 2079078, 3465130, 4158156, 5197695, 6930260, 10395390, 20790780]

約数ペア:

[(1, 20790780), (2, 10395390), (3, 6930260), (4, 5197695), (5, 4158156), (6, 3465130), (10, 2079078), (12, 1732565), (15, 1386052), (20, 1039539), (30, 693026), (60, 346513), (419, 49620), (827, 25140), (838, 24810), (1257, 16540), (1654, 12570), (1676, 12405), (2095, 9924), (2481, 8380), (2514, 8270), (3308, 6285), (4135, 5028), (4190, 4962)]