20129268

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 48371904

約数和(自身を除く): 28242636

約数列:

[1, 2, 3, 4, 6, 12, 61, 107, 122, 183, 214, 244, 257, 321, 366, 428, 514, 642, 732, 771, 1028, 1284, 1542, 3084, 6527, 13054, 15677, 19581, 26108, 27499, 31354, 39162, 47031, 54998, 62708, 78324, 82497, 94062, 109996, 164994, 188124, 329988, 1677439, 3354878, 5032317, 6709756, 10064634, 20129268]

約数ペア:

[(1, 20129268), (2, 10064634), (3, 6709756), (4, 5032317), (6, 3354878), (12, 1677439), (61, 329988), (107, 188124), (122, 164994), (183, 109996), (214, 94062), (244, 82497), (257, 78324), (321, 62708), (366, 54998), (428, 47031), (514, 39162), (642, 31354), (732, 27499), (771, 26108), (1028, 19581), (1284, 15677), (1542, 13054), (3084, 6527)]