20803280407

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{553529}}^1$

素因数の和:553615

約数の個数: 24

約数和(自身を含む): 26503016400

約数和(自身を除く): 5699735993

約数列:

[1, 7, 13, 49, 59, 91, 413, 637, 767, 2891, 5369, 37583, 553529, 3874703, 7195877, 27122921, 32658211, 50371139, 228607477, 352597973, 424556743, 1600252339, 2971897201, 20803280407]

約数ペア:

[(1, 20803280407), (7, 2971897201), (13, 1600252339), (49, 424556743), (59, 352597973), (91, 228607477), (413, 50371139), (637, 32658211), (767, 27122921), (2891, 7195877), (5369, 3874703), (37583, 553529)]