20804953998

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{647}}^1\times {\mathrm{144847}}^1$

素因数の和:145536

約数の個数: 32

約数和(自身を含む): 42800845824

約数和(自身を除く): 21995891826

約数列:

[1, 2, 3, 6, 37, 74, 111, 222, 647, 1294, 1941, 3882, 23939, 47878, 71817, 143634, 144847, 289694, 434541, 869082, 5359339, 10718678, 16078017, 32156034, 93716009, 187432018, 281148027, 562296054, 3467492333, 6934984666, 10402476999, 20804953998]

約数ペア:

[(1, 20804953998), (2, 10402476999), (3, 6934984666), (6, 3467492333), (37, 562296054), (74, 281148027), (111, 187432018), (222, 93716009), (647, 32156034), (1294, 16078017), (1941, 10718678), (3882, 5359339), (23939, 869082), (47878, 434541), (71817, 289694), (143634, 144847)]