20163949755

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{265193}}^1$

素因数の和:265375

約数の個数: 32

約数和(自身を含む): 33376256064

約数和(自身を除く): 13212306309

約数列:

[1, 3, 5, 15, 37, 111, 137, 185, 411, 555, 685, 2055, 5069, 15207, 25345, 76035, 265193, 795579, 1325965, 3977895, 9812141, 29436423, 36331441, 49060705, 108994323, 147182115, 181657205, 544971615, 1344263317, 4032789951, 6721316585, 20163949755]

約数ペア:

[(1, 20163949755), (3, 6721316585), (5, 4032789951), (15, 1344263317), (37, 544971615), (111, 181657205), (137, 147182115), (185, 108994323), (411, 49060705), (555, 36331441), (685, 29436423), (2055, 9812141), (5069, 3977895), (15207, 1325965), (25345, 795579), (76035, 265193)]