20309457

素因数分解:

$3^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{2203}}^1$

素因数の和:2652

約数の個数: 16

約数和(自身を含む): 31032320

約数和(自身を除く): 10722863

約数列:

[1, 3, 7, 21, 439, 1317, 2203, 3073, 6609, 9219, 15421, 46263, 967117, 2901351, 6769819, 20309457]

約数ペア:

[(1, 20309457), (3, 6769819), (7, 2901351), (21, 967117), (439, 46263), (1317, 15421), (2203, 9219), (3073, 6609)]