20438913

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{36433}}^1$

素因数の和:36464

約数の個数: 16

約数和(自身を含む): 31478976

約数和(自身を除く): 11040063

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 36433, 109299, 400763, 619361, 1202289, 1858083, 6812971, 20438913]

約数ペア:

[(1, 20438913), (3, 6812971), (11, 1858083), (17, 1202289), (33, 619361), (51, 400763), (187, 109299), (561, 36433)]