20392164

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43573}}^1$

素因数の和:43596

約数の個数: 36

約数和(自身を含む): 55513276

約数和(自身を除く): 35121112

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 43573, 87146, 130719, 174292, 261438, 392157, 522876, 566449, 784314, 1132898, 1568628, 1699347, 2265796, 3398694, 5098041, 6797388, 10196082, 20392164]

約数ペア:

[(1, 20392164), (2, 10196082), (3, 6797388), (4, 5098041), (6, 3398694), (9, 2265796), (12, 1699347), (13, 1568628), (18, 1132898), (26, 784314), (36, 566449), (39, 522876), (52, 392157), (78, 261438), (117, 174292), (156, 130719), (234, 87146), (468, 43573)]