20428702

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{751}}^1$

素因数の和:856

約数の個数: 32

約数和(自身を含む): 36817920

約数和(自身を除く): 16389218

約数列:

[1, 2, 7, 14, 29, 58, 67, 134, 203, 406, 469, 751, 938, 1502, 1943, 3886, 5257, 10514, 13601, 21779, 27202, 43558, 50317, 100634, 152453, 304906, 352219, 704438, 1459193, 2918386, 10214351, 20428702]

約数ペア:

[(1, 20428702), (2, 10214351), (7, 2918386), (14, 1459193), (29, 704438), (58, 352219), (67, 304906), (134, 152453), (203, 100634), (406, 50317), (469, 43558), (751, 27202), (938, 21779), (1502, 13601), (1943, 10514), (3886, 5257)]