20180147785

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1\times {\mathrm{63929}}^1$

素因数の和:64281

約数の個数: 32

約数和(自身を含む): 28722470400

約数和(自身を除く): 8542322615

約数列:

[1, 5, 7, 29, 35, 145, 203, 311, 1015, 1555, 2177, 9019, 10885, 45095, 63133, 63929, 315665, 319645, 447503, 1853941, 2237515, 9269705, 12977587, 19881919, 64887935, 99409595, 139173433, 576575651, 695867165, 2882878255, 4036029557, 20180147785]

約数ペア:

[(1, 20180147785), (5, 4036029557), (7, 2882878255), (29, 695867165), (35, 576575651), (145, 139173433), (203, 99409595), (311, 64887935), (1015, 19881919), (1555, 12977587), (2177, 9269705), (9019, 2237515), (10885, 1853941), (45095, 447503), (63133, 319645), (63929, 315665)]