20479361

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{971}}^1$

素因数の和:1132

約数の個数: 16

約数和(自身を含む): 24634368

約数和(自身を除く): 4155007

約数列:

[1, 7, 23, 131, 161, 917, 971, 3013, 6797, 21091, 22333, 127201, 156331, 890407, 2925623, 20479361]

約数ペア:

[(1, 20479361), (7, 2925623), (23, 890407), (131, 156331), (161, 127201), (917, 22333), (971, 21091), (3013, 6797)]