20942385

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4831}}^1$

素因数の和:4873

約数の個数: 24

約数和(自身を含む): 35602176

約数和(自身を除く): 14659791

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 4335, 4831, 14493, 24155, 72465, 82127, 246381, 410635, 1231905, 1396159, 4188477, 6980795, 20942385]

約数ペア:

[(1, 20942385), (3, 6980795), (5, 4188477), (15, 1396159), (17, 1231905), (51, 410635), (85, 246381), (255, 82127), (289, 72465), (867, 24155), (1445, 14493), (4335, 4831)]