20480438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{683}}^1$

素因数の和:772

約数の個数: 32

約数和(自身を含む): 35458560

約数和(自身を除く): 14978122

約数列:

[1, 2, 11, 22, 29, 47, 58, 94, 319, 517, 638, 683, 1034, 1363, 1366, 2726, 7513, 14993, 15026, 19807, 29986, 32101, 39614, 64202, 217877, 353111, 435754, 706222, 930929, 1861858, 10240219, 20480438]

約数ペア:

[(1, 20480438), (2, 10240219), (11, 1861858), (22, 930929), (29, 706222), (47, 435754), (58, 353111), (94, 217877), (319, 64202), (517, 39614), (638, 32101), (683, 29986), (1034, 19807), (1363, 15026), (1366, 14993), (2726, 7513)]