20165703

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1307}}^1$

素因数の和:1486

約数の個数: 16

約数和(自身を含む): 27834240

約数和(自身を除く): 7668537

約数列:

[1, 3, 37, 111, 139, 417, 1307, 3921, 5143, 15429, 48359, 145077, 181673, 545019, 6721901, 20165703]

約数ペア:

[(1, 20165703), (3, 6721901), (37, 545019), (111, 181673), (139, 145077), (417, 48359), (1307, 15429), (3921, 5143)]