20299545

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{21481}}^1$

素因数の和:21502

約数の個数: 32

約数和(自身を含む): 41245440

約数和(自身を除く): 20945895

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 21481, 64443, 107405, 150367, 193329, 322215, 451101, 579987, 751835, 966645, 1353303, 2255505, 2899935, 4059909, 6766515, 20299545]

約数ペア:

[(1, 20299545), (3, 6766515), (5, 4059909), (7, 2899935), (9, 2255505), (15, 1353303), (21, 966645), (27, 751835), (35, 579987), (45, 451101), (63, 322215), (105, 193329), (135, 150367), (189, 107405), (315, 64443), (945, 21481)]