20147024

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{269}}^1$

素因数の和:459

約数の個数: 40

約数和(自身を含む): 40711680

約数和(自身を除く): 20564656

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 151, 248, 269, 302, 496, 538, 604, 1076, 1208, 2152, 2416, 4304, 4681, 8339, 9362, 16678, 18724, 33356, 37448, 40619, 66712, 74896, 81238, 133424, 162476, 324952, 649904, 1259189, 2518378, 5036756, 10073512, 20147024]

約数ペア:

[(1, 20147024), (2, 10073512), (4, 5036756), (8, 2518378), (16, 1259189), (31, 649904), (62, 324952), (124, 162476), (151, 133424), (248, 81238), (269, 74896), (302, 66712), (496, 40619), (538, 37448), (604, 33356), (1076, 18724), (1208, 16678), (2152, 9362), (2416, 8339), (4304, 4681)]