20895123

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1\times {\mathrm{503}}^1$

素因数の和:794

約数の個数: 16

約数和(自身を含む): 28498176

約数和(自身を除く): 7603053

約数列:

[1, 3, 61, 183, 227, 503, 681, 1509, 13847, 30683, 41541, 92049, 114181, 342543, 6965041, 20895123]

約数ペア:

[(1, 20895123), (3, 6965041), (61, 342543), (183, 114181), (227, 92049), (503, 41541), (681, 30683), (1509, 13847)]