20177871

素因数分解:

$3^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{1973}}^1$

素因数の和:2470

約数の個数: 16

約数和(自身を含む): 30825984

約数和(自身を除く): 10648113

約数列:

[1, 3, 7, 21, 487, 1461, 1973, 3409, 5919, 10227, 13811, 41433, 960851, 2882553, 6725957, 20177871]

約数ペア:

[(1, 20177871), (3, 6725957), (7, 2882553), (21, 960851), (487, 41433), (1461, 13811), (1973, 10227), (3409, 5919)]