20147868

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43051}}^1$

素因数の和:43074

約数の個数: 36

約数和(自身を含む): 54848248

約数和(自身を除く): 34700380

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 43051, 86102, 129153, 172204, 258306, 387459, 516612, 559663, 774918, 1119326, 1549836, 1678989, 2238652, 3357978, 5036967, 6715956, 10073934, 20147868]

約数ペア:

[(1, 20147868), (2, 10073934), (3, 6715956), (4, 5036967), (6, 3357978), (9, 2238652), (12, 1678989), (13, 1549836), (18, 1119326), (26, 774918), (36, 559663), (39, 516612), (52, 387459), (78, 258306), (117, 172204), (156, 129153), (234, 86102), (468, 43051)]