20789087

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:646

約数の個数: 16

約数和(自身を含む): 23500800

約数和(自身を除く): 2711713

約数列:

[1, 11, 47, 79, 509, 517, 869, 3713, 5599, 23923, 40211, 40843, 263153, 442321, 1889917, 20789087]

約数ペア:

[(1, 20789087), (11, 1889917), (47, 442321), (79, 263153), (509, 40843), (517, 40211), (869, 23923), (3713, 5599)]