20574135

素因数分解:

$3^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{593}}^1$

素因数の和:864

約数の個数: 32

約数和(自身を含む): 36780480

約数和(自身を除く): 16206345

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 257, 593, 771, 1285, 1779, 2313, 2965, 3855, 5337, 6939, 8895, 11565, 16011, 26685, 34695, 80055, 152401, 457203, 762005, 1371609, 2286015, 4114827, 6858045, 20574135]

約数ペア:

[(1, 20574135), (3, 6858045), (5, 4114827), (9, 2286015), (15, 1371609), (27, 762005), (45, 457203), (135, 152401), (257, 80055), (593, 34695), (771, 26685), (1285, 16011), (1779, 11565), (2313, 8895), (2965, 6939), (3855, 5337)]