20288715

素因数分解:

$3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12409}}^1$

素因数の和:12526

約数の個数: 16

約数和(自身を含む): 32762400

約数和(自身を除く): 12473685

約数列:

[1, 3, 5, 15, 109, 327, 545, 1635, 12409, 37227, 62045, 186135, 1352581, 4057743, 6762905, 20288715]

約数ペア:

[(1, 20288715), (3, 6762905), (5, 4057743), (15, 1352581), (109, 186135), (327, 62045), (545, 37227), (1635, 12409)]