2020031321

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{63521}}^1$

素因数の和:63605

約数の個数: 24

約数和(自身を含む): 2606942880

約数和(自身を除く): 586911559

約数列:

[1, 7, 11, 49, 59, 77, 413, 539, 649, 2891, 4543, 31801, 63521, 444647, 698731, 3112529, 3747739, 4891117, 26234173, 34237819, 41225129, 183639211, 288575903, 2020031321]

約数ペア:

[(1, 2020031321), (7, 288575903), (11, 183639211), (49, 41225129), (59, 34237819), (77, 26234173), (413, 4891117), (539, 3747739), (649, 3112529), (2891, 698731), (4543, 444647), (31801, 63521)]