20942691

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5333}}^1$

素因数の和:5371

約数の個数: 32

約数和(自身を含む): 36868608

約数和(自身を除く): 15925917

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 3927, 5333, 15999, 37331, 58663, 90661, 111993, 175989, 271983, 410641, 634627, 997271, 1231923, 1903881, 2991813, 6980897, 20942691]

約数ペア:

[(1, 20942691), (3, 6980897), (7, 2991813), (11, 1903881), (17, 1231923), (21, 997271), (33, 634627), (51, 410641), (77, 271983), (119, 175989), (187, 111993), (231, 90661), (357, 58663), (561, 37331), (1309, 15999), (3927, 5333)]