20947179

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37339}}^1$

素因数の和:37370

約数の個数: 16

約数和(自身を含む): 32261760

約数和(自身を除く): 11314581

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 37339, 112017, 410729, 634763, 1232187, 1904289, 6982393, 20947179]

約数ペア:

[(1, 20947179), (3, 6982393), (11, 1904289), (17, 1232187), (33, 634763), (51, 410729), (187, 112017), (561, 37339)]