20412427

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{509}}^1$

素因数の和:870

約数の個数: 16

約数和(自身を含む): 24822720

約数和(自身を除く): 4410293

約数列:

[1, 7, 17, 119, 337, 509, 2359, 3563, 5729, 8653, 40103, 60571, 171533, 1200731, 2916061, 20412427]

約数ペア:

[(1, 20412427), (7, 2916061), (17, 1200731), (119, 171533), (337, 60571), (509, 40103), (2359, 8653), (3563, 5729)]