20357055

素因数分解:

$3^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1493}}^1$

素因数の和:1608

約数の個数: 32

約数和(自身を含む): 36573120

約数和(自身を除く): 16216065

約数列:

[1, 3, 5, 9, 15, 27, 45, 101, 135, 303, 505, 909, 1493, 1515, 2727, 4479, 4545, 7465, 13437, 13635, 22395, 40311, 67185, 150793, 201555, 452379, 753965, 1357137, 2261895, 4071411, 6785685, 20357055]

約数ペア:

[(1, 20357055), (3, 6785685), (5, 4071411), (9, 2261895), (15, 1357137), (27, 753965), (45, 452379), (101, 201555), (135, 150793), (303, 67185), (505, 40311), (909, 22395), (1493, 13635), (1515, 13437), (2727, 7465), (4479, 4545)]