20199162459

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1380007}}^1$

素因数の和:1380075

約数の個数: 32

約数和(自身を含む): 33385153536

約数和(自身を除く): 13185991077

約数列:

[1, 3, 7, 17, 21, 41, 51, 119, 123, 287, 357, 697, 861, 2091, 4879, 14637, 1380007, 4140021, 9660049, 23460119, 28980147, 56580287, 70380357, 164220833, 169740861, 396062009, 492662499, 961864879, 1188186027, 2885594637, 6733054153, 20199162459]

約数ペア:

[(1, 20199162459), (3, 6733054153), (7, 2885594637), (17, 1188186027), (21, 961864879), (41, 492662499), (51, 396062009), (119, 169740861), (123, 164220833), (287, 70380357), (357, 56580287), (697, 28980147), (861, 23460119), (2091, 9660049), (4879, 4140021), (14637, 1380007)]