20178390969

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{486449}}^1$

素因数の和:486885

約数の個数: 24

約数和(自身を含む): 31872204000

約数和(自身を除く): 11693813031

約数列:

[1, 3, 9, 11, 33, 99, 419, 1257, 3771, 4609, 13827, 41481, 486449, 1459347, 4378041, 5350939, 16052817, 48158451, 203822131, 611466393, 1834399179, 2242043441, 6726130323, 20178390969]

約数ペア:

[(1, 20178390969), (3, 6726130323), (9, 2242043441), (11, 1834399179), (33, 611466393), (99, 203822131), (419, 48158451), (1257, 16052817), (3771, 5350939), (4609, 4378041), (13827, 1459347), (41481, 486449)]