20884809

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{11941}}^1$

素因数の和:12008

約数の個数: 16

約数和(自身を含む): 30953664

約数和(自身を除く): 10068855

約数列:

[1, 3, 11, 33, 53, 159, 583, 1749, 11941, 35823, 131351, 394053, 632873, 1898619, 6961603, 20884809]

約数ペア:

[(1, 20884809), (3, 6961603), (11, 1898619), (33, 632873), (53, 394053), (159, 131351), (583, 35823), (1749, 11941)]