20218245895

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1\times {\mathrm{17489}}^1$

素因数の和:17839

約数の個数: 32

約数和(自身を含む): 26226604800

約数和(自身を除く): 6008358905

約数列:

[1, 5, 19, 43, 95, 215, 283, 817, 1415, 4085, 5377, 12169, 17489, 26885, 60845, 87445, 231211, 332291, 752027, 1156055, 1661455, 3760135, 4949387, 14288513, 24746935, 71442565, 94038353, 212823641, 470191765, 1064118205, 4043649179, 20218245895]

約数ペア:

[(1, 20218245895), (5, 4043649179), (19, 1064118205), (43, 470191765), (95, 212823641), (215, 94038353), (283, 71442565), (817, 24746935), (1415, 14288513), (4085, 4949387), (5377, 3760135), (12169, 1661455), (17489, 1156055), (26885, 752027), (60845, 332291), (87445, 231211)]