20387835

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11617}}^1$

素因数の和:11644

約数の個数: 32

約数和(自身を含む): 39036480

約数和(自身を除く): 18648645

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 11617, 34851, 58085, 104553, 151021, 174255, 313659, 453063, 522765, 755105, 1359189, 1568295, 2265315, 4077567, 6795945, 20387835]

約数ペア:

[(1, 20387835), (3, 6795945), (5, 4077567), (9, 2265315), (13, 1568295), (15, 1359189), (27, 755105), (39, 522765), (45, 453063), (65, 313659), (117, 174255), (135, 151021), (195, 104553), (351, 58085), (585, 34851), (1755, 11617)]