20684961

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{5647}}^1$

素因数の和:5701

約数の個数: 24

約数和(自身を含む): 33481344

約数和(自身を除く): 12796383

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 333, 407, 1221, 3663, 5647, 16941, 50823, 62117, 186351, 208939, 559053, 626817, 1880451, 2298329, 6894987, 20684961]

約数ペア:

[(1, 20684961), (3, 6894987), (9, 2298329), (11, 1880451), (33, 626817), (37, 559053), (99, 208939), (111, 186351), (333, 62117), (407, 50823), (1221, 16941), (3663, 5647)]