20470635

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26759}}^1$

素因数の和:26787

約数の個数: 24

約数和(自身を含む): 37571040

約数和(自身を除く): 17100405

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 26759, 80277, 133795, 240831, 401385, 454903, 1204155, 1364709, 2274515, 4094127, 6823545, 20470635]

約数ペア:

[(1, 20470635), (3, 6823545), (5, 4094127), (9, 2274515), (15, 1364709), (17, 1204155), (45, 454903), (51, 401385), (85, 240831), (153, 133795), (255, 80277), (765, 26759)]