20723807

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1$

素因数の和:470

約数の個数: 16

約数和(自身を含む): 23092608

約数和(自身を除く): 2368801

約数列:

[1, 13, 43, 131, 283, 559, 1703, 3679, 5633, 12169, 37073, 73229, 158197, 481949, 1594139, 20723807]

約数ペア:

[(1, 20723807), (13, 1594139), (43, 481949), (131, 158197), (283, 73229), (559, 37073), (1703, 12169), (3679, 5633)]