20719309088

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{1793569}}^1$

素因数の和:1793617

約数の個数: 36

約数和(自身を含む): 43051060710

約数和(自身を除く): 22331751622

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 361, 608, 722, 1444, 2888, 5776, 11552, 1793569, 3587138, 7174276, 14348552, 28697104, 34077811, 57394208, 68155622, 136311244, 272622488, 545244976, 647478409, 1090489952, 1294956818, 2589913636, 5179827272, 10359654544, 20719309088]

約数ペア:

[(1, 20719309088), (2, 10359654544), (4, 5179827272), (8, 2589913636), (16, 1294956818), (19, 1090489952), (32, 647478409), (38, 545244976), (76, 272622488), (152, 136311244), (304, 68155622), (361, 57394208), (608, 34077811), (722, 28697104), (1444, 14348552), (2888, 7174276), (5776, 3587138), (11552, 1793569)]