20530013

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{947}}^1$

素因数の和:1136

約数の個数: 16

約数和(自身を含む): 24875520

約数和(自身を除く): 4345507

約数列:

[1, 7, 19, 133, 163, 947, 1141, 3097, 6629, 17993, 21679, 125951, 154361, 1080527, 2932859, 20530013]

約数ペア:

[(1, 20530013), (7, 2932859), (19, 1080527), (133, 154361), (163, 125951), (947, 21679), (1141, 17993), (3097, 6629)]