20530811

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{5323}}^1$

素因数の和:5378

約数の個数: 16

約数和(自身を含む): 25555200

約数和(自身を除く): 5024389

約数列:

[1, 7, 19, 29, 133, 203, 551, 3857, 5323, 37261, 101137, 154367, 707959, 1080569, 2932973, 20530811]

約数ペア:

[(1, 20530811), (7, 2932973), (19, 1080569), (29, 707959), (133, 154367), (203, 101137), (551, 37261), (3857, 5323)]