20713074352

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{169913}}^1$

素因数の和:170341

約数の個数: 40

約数和(自身を含む): 42349365360

約数和(自身を除く): 21636291008

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 401, 802, 1604, 3208, 6416, 7619, 15238, 30476, 60952, 121904, 169913, 339826, 679652, 1359304, 2718608, 3228347, 6456694, 12913388, 25826776, 51653552, 68135113, 136270226, 272540452, 545080904, 1090161808, 1294567147, 2589134294, 5178268588, 10356537176, 20713074352]

約数ペア:

[(1, 20713074352), (2, 10356537176), (4, 5178268588), (8, 2589134294), (16, 1294567147), (19, 1090161808), (38, 545080904), (76, 272540452), (152, 136270226), (304, 68135113), (401, 51653552), (802, 25826776), (1604, 12913388), (3208, 6456694), (6416, 3228347), (7619, 2718608), (15238, 1359304), (30476, 679652), (60952, 339826), (121904, 169913)]