20364918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{7237}}^1$

素因数の和:7316

約数の個数: 32

約数和(自身を含む): 47249664

約数和(自身を除く): 26884746

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 67, 134, 201, 402, 469, 938, 1407, 2814, 7237, 14474, 21711, 43422, 50659, 101318, 151977, 303954, 484879, 969758, 1454637, 2909274, 3394153, 6788306, 10182459, 20364918]

約数ペア:

[(1, 20364918), (2, 10182459), (3, 6788306), (6, 3394153), (7, 2909274), (14, 1454637), (21, 969758), (42, 484879), (67, 303954), (134, 151977), (201, 101318), (402, 50659), (469, 43422), (938, 21711), (1407, 14474), (2814, 7237)]