20217076145

素因数分解:

$5^1\times 7^1\times {\mathrm{1231}}^1\times {\mathrm{469237}}^1$

素因数の和:470480

約数の個数: 16

約数和(自身を含む): 27748858368

約数和(自身を除く): 7531782223

約数列:

[1, 5, 7, 35, 1231, 6155, 8617, 43085, 469237, 2346185, 3284659, 16423295, 577630747, 2888153735, 4043415229, 20217076145]

約数ペア:

[(1, 20217076145), (5, 4043415229), (7, 2888153735), (35, 577630747), (1231, 16423295), (6155, 3284659), (8617, 2346185), (43085, 469237)]