20551111

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1511}}^1$

素因数の和:1614

約数の個数: 16

約数和(自身を含む): 24675840

約数和(自身を除く): 4124729

約数列:

[1, 7, 29, 67, 203, 469, 1511, 1943, 10577, 13601, 43819, 101237, 306733, 708659, 2935873, 20551111]

約数ペア:

[(1, 20551111), (7, 2935873), (29, 708659), (67, 306733), (203, 101237), (469, 43819), (1511, 13601), (1943, 10577)]