19720754

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{8293}}^1$

素因数の和:8365

約数の個数: 16

約数和(自身を含む): 31351320

約数和(自身を除く): 11630566

約数列:

[1, 2, 29, 41, 58, 82, 1189, 2378, 8293, 16586, 240497, 340013, 480994, 680026, 9860377, 19720754]

約数ペア:

[(1, 19720754), (2, 9860377), (29, 680026), (41, 480994), (58, 340013), (82, 240497), (1189, 16586), (2378, 8293)]