20803519713

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{887}}^1\times {\mathrm{919}}^1$

素因数の和:2037

約数の個数: 32

約数和(自身を含む): 28547850240

約数和(自身を除く): 7744330527

約数列:

[1, 3, 47, 141, 181, 543, 887, 919, 2661, 2757, 8507, 25521, 41689, 43193, 125067, 129579, 160547, 166339, 481641, 499017, 815153, 2445459, 7545709, 7817933, 22637127, 23453799, 38312191, 114936573, 147542693, 442628079, 6934506571, 20803519713]

約数ペア:

[(1, 20803519713), (3, 6934506571), (47, 442628079), (141, 147542693), (181, 114936573), (543, 38312191), (887, 23453799), (919, 22637127), (2661, 7817933), (2757, 7545709), (8507, 2445459), (25521, 815153), (41689, 499017), (43193, 481641), (125067, 166339), (129579, 160547)]