20595825

素因数分解:

$3^2\times 5^2\times {\mathrm{239}}^1\times {\mathrm{383}}^1$

素因数の和:638

約数の個数: 36

約数和(自身を含む): 37140480

約数和(自身を除く): 16544655

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 239, 383, 717, 1149, 1195, 1915, 2151, 3447, 3585, 5745, 5975, 9575, 10755, 17235, 17925, 28725, 53775, 86175, 91537, 274611, 457685, 823833, 1373055, 2288425, 4119165, 6865275, 20595825]

約数ペア:

[(1, 20595825), (3, 6865275), (5, 4119165), (9, 2288425), (15, 1373055), (25, 823833), (45, 457685), (75, 274611), (225, 91537), (239, 86175), (383, 53775), (717, 28725), (1149, 17925), (1195, 17235), (1915, 10755), (2151, 9575), (3447, 5975), (3585, 5745)]