20176779

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{4733}}^1$

素因数の和:4779

約数の個数: 24

約数和(自身を含む): 32380560

約数和(自身を除く): 12203781

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 4733, 14199, 33131, 99393, 137257, 231917, 411771, 695751, 960799, 2882397, 6725593, 20176779]

約数ペア:

[(1, 20176779), (3, 6725593), (7, 2882397), (21, 960799), (29, 695751), (49, 411771), (87, 231917), (147, 137257), (203, 99393), (609, 33131), (1421, 14199), (4263, 4733)]