20167089

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1\times {\mathrm{509}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 27613440

約数和(自身を除く): 7446351

約数列:

[1, 3, 47, 141, 281, 509, 843, 1527, 13207, 23923, 39621, 71769, 143029, 429087, 6722363, 20167089]

約数ペア:

[(1, 20167089), (3, 6722363), (47, 429087), (141, 143029), (281, 71769), (509, 39621), (843, 23923), (1527, 13207)]