20973554

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{51659}}^1$

素因数の和:51697

約数の個数: 16

約数和(自身を含む): 37195200

約数和(自身を除く): 16221646

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 51659, 103318, 361613, 723226, 1498111, 2996222, 10486777, 20973554]

約数ペア:

[(1, 20973554), (2, 10486777), (7, 2996222), (14, 1498111), (29, 723226), (58, 361613), (203, 103318), (406, 51659)]