20110257752

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{479821}}^1$

素因数の和:479884

約数の個数: 48

約数和(自身を含む): 42147564480

約数和(自身を除く): 22037306728

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 169, 248, 338, 403, 676, 806, 1352, 1612, 3224, 5239, 10478, 20956, 41912, 479821, 959642, 1919284, 3838568, 6237673, 12475346, 14874451, 24950692, 29748902, 49901384, 59497804, 81089749, 118995608, 162179498, 193367863, 324358996, 386735726, 648717992, 773471452, 1546942904, 2513782219, 5027564438, 10055128876, 20110257752]

約数ペア:

[(1, 20110257752), (2, 10055128876), (4, 5027564438), (8, 2513782219), (13, 1546942904), (26, 773471452), (31, 648717992), (52, 386735726), (62, 324358996), (104, 193367863), (124, 162179498), (169, 118995608), (248, 81089749), (338, 59497804), (403, 49901384), (676, 29748902), (806, 24950692), (1352, 14874451), (1612, 12475346), (3224, 6237673), (5239, 3838568), (10478, 1919284), (20956, 959642), (41912, 479821)]