20165403

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{1259}}^1$

素因数の和:1562

約数の個数: 16

約数和(自身を含む): 28425600

約数和(自身を除く): 8260197

約数列:

[1, 3, 19, 57, 281, 843, 1259, 3777, 5339, 16017, 23921, 71763, 353779, 1061337, 6721801, 20165403]

約数ペア:

[(1, 20165403), (3, 6721801), (19, 1061337), (57, 353779), (281, 71763), (843, 23921), (1259, 16017), (3777, 5339)]