20660484

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{132439}}^1$

素因数の和:132459

約数の個数: 24

約数和(自身を含む): 51916480

約数和(自身を除く): 31255996

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 132439, 264878, 397317, 529756, 794634, 1589268, 1721707, 3443414, 5165121, 6886828, 10330242, 20660484]

約数ペア:

[(1, 20660484), (2, 10330242), (3, 6886828), (4, 5165121), (6, 3443414), (12, 1721707), (13, 1589268), (26, 794634), (39, 529756), (52, 397317), (78, 264878), (156, 132439)]