20914516

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{39313}}^1$

素因数の和:39343

約数の個数: 24

約数和(自身を含む): 44031680

約数和(自身を除く): 23117164

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 39313, 78626, 157252, 275191, 550382, 746947, 1100764, 1493894, 2987788, 5228629, 10457258, 20914516]

約数ペア:

[(1, 20914516), (2, 10457258), (4, 5228629), (7, 2987788), (14, 1493894), (19, 1100764), (28, 746947), (38, 550382), (76, 275191), (133, 157252), (266, 78626), (532, 39313)]