20089279

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{313}}^1$

素因数の和:546

約数の個数: 16

約数和(自身を含む): 23602752

約数和(自身を除く): 3513473

約数列:

[1, 7, 53, 173, 313, 371, 1211, 2191, 9169, 16589, 54149, 64183, 116123, 379043, 2869897, 20089279]

約数ペア:

[(1, 20089279), (7, 2869897), (53, 379043), (173, 116123), (313, 64183), (371, 54149), (1211, 16589), (2191, 9169)]